11612556264 has 128 divisors (see below), whose sum is σ = 30697920000. Its totient is φ = 3655943424.

The previous prime is 11612556253. The next prime is 11612556269. The reversal of 11612556264 is 46265521611.

It is not an unprimeable number, because it can be changed into a prime (11612556269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6834087 + ... + 6835785.

It is an arithmetic number, because the mean of its divisors is an integer number (239827500).

Almost surely, 2^11612556264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11612556264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15348960000).

11612556264 is an abundant number, since it is smaller than the sum of its proper divisors (19085363736).

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

11612556264 is a wasteful number, since it uses less digits than its factorization.

11612556264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1963 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The spelling of 11612556264 in words is "eleven billion, six hundred twelve million, five hundred fifty-six thousand, two hundred sixty-four".