11320534404 has 135 divisors (see below), whose sum is σ = 31057602037. Its totient is φ = 3595401216.

The previous prime is 11320534397. The next prime is 11320534429. The reversal of 11320534404 is 40443502311.

It is a happy number.

The square root of 11320534404 is 106398.

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

11320534404 is a `hidden beast` number, since 1 + 13 + 205 + 3 + 440 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11145024900 + 175509504 = 105570^2 + 13248^2 .

It is a super-3 number, since 3×11320534404³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 44048644 + ... + 44048900.

Almost surely, 2^11320534404 is an apocalyptic number.

11320534404 is the 106398-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11320534404

11320534404 is an abundant number, since it is smaller than the sum of its proper divisors (19737067633).

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

11320534404 is an equidigital number, since it uses as much as digits as its factorization.

11320534404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 11320534404 in words is "eleven billion, three hundred twenty million, five hundred thirty-four thousand, four hundred four".