11924858401 has 3 divisors (see below), whose sum is σ = 11924967603. Its totient is φ = 11924749200.

The previous prime is 11924858347. The next prime is 11924858417. The reversal of 11924858401 is 10485842911.

The square root of 11924858401 is 109201.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 10150764001 + 1774094400 = 100751^2 + 42120^2 .

It is not a de Polignac number, because 11924858401 - 2³¹ = 9777374753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11924858431) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54601 + ... + 163801.

It is an arithmetic number, because the mean of its divisors is an integer number (3974989201).

Almost surely, 2^11924858401 is an apocalyptic number.

11924858401 is the 109201-st square number.

11924858401 is the 54601-st centered octagonal number.

It is an amenable number.

11924858401 is a deficient number, since it is larger than the sum of its proper divisors (109202).

11924858401 is an frugal number, since it uses more digits than its factorization.

11924858401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218402 (or 109201 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 11924858401 in words is "eleven billion, nine hundred twenty-four million, eight hundred fifty-eight thousand, four hundred one".