11655267264 has 42 divisors (see below), whose sum is σ = 33407720840. Its totient is φ = 3885088896.

The previous prime is 11655267263. The next prime is 11655267287. The reversal of 11655267264 is 46276255611.

11655267264 is a `hidden beast` number, since 1 + 1 + 65 + 526 + 7 + 2 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655267263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10116844 + ... + 10117995.

Almost surely, 2^11655267264 is an apocalyptic number.

It is an amenable number.

11655267264 is an abundant number, since it is smaller than the sum of its proper divisors (21752453576).

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

11655267264 is a wasteful number, since it uses less digits than its factorization.

11655267264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234857 (or 20234844 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 11655267264 in words is "eleven billion, six hundred fifty-five million, two hundred sixty-seven thousand, two hundred sixty-four".