11405574401796 has 99 divisors (see below), whose sum is σ = 29943772871061. Its totient is φ = 3801311025264.

The previous prime is 11405574401779. The next prime is 11405574401797. The reversal of 11405574401796 is 69710447550411.

The square root of 11405574401796 is 3377214.

It is a perfect power (a square), and thus also a powerful number.

11405574401796 is a `hidden beast` number, since 1 + 1 + 40 + 557 + 4 + 40 + 1 + 7 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9976210688196 + 1429363713600 = 3158514^2 + 1195560^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (11405574401797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 1641322530 + ... + 1641329478.

Almost surely, 2^{11405574401796} is an apocalyptic number.

11405574401796 is the 3377214-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11405574401796

11405574401796 is an abundant number, since it is smaller than the sum of its proper divisors (18538198469265).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11405574401796 is an frugal number, since it uses more digits than its factorization.

11405574401796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932 (or 6954 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

It can be divided in two parts, 11405574 and 401796, that added together give a triangular number (11807370 = T₄₈₅₉).

The spelling of 11405574401796 in words is "eleven trillion, four hundred five billion, five hundred seventy-four million, four hundred one thousand, seven hundred ninety-six".