11636044264 has 128 divisors (see below), whose sum is σ = 26390810880. Its totient is φ = 4754534400.

The previous prime is 11636044193. The next prime is 11636044279. The reversal of 11636044264 is 46244063611.

It is a super-2 number, since 2×11636044264² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2478159 + ... + 2482849.

It is an arithmetic number, because the mean of its divisors is an integer number (206178210).

Almost surely, 2^11636044264 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 11636044264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13195405440).

11636044264 is an abundant number, since it is smaller than the sum of its proper divisors (14754766616).

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

11636044264 is a wasteful number, since it uses less digits than its factorization.

11636044264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 11636044264 in words is "eleven billion, six hundred thirty-six million, forty-four thousand, two hundred sixty-four".