11898557264 has 60 divisors (see below), whose sum is σ = 26673501120. Its totient is φ = 5123764800.

The previous prime is 11898557263. The next prime is 11898557267. The reversal of 11898557264 is 46275589811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898557263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124952 + ... + 198519.

It is an arithmetic number, because the mean of its divisors is an integer number (444558352).

Almost surely, 2^11898557264 is an apocalyptic number.

It is an amenable number.

11898557264 is an abundant number, since it is smaller than the sum of its proper divisors (14774943856).

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

11898557264 is a wasteful number, since it uses less digits than its factorization.

11898557264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323520 (or 323503 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 56.

The spelling of 11898557264 in words is "eleven billion, eight hundred ninety-eight million, five hundred fifty-seven thousand, two hundred sixty-four".