11511015152 has 80 divisors (see below), whose sum is σ = 28033539072. Its totient is φ = 4456892160.

The previous prime is 11511015151. The next prime is 11511015179. The reversal of 11511015152 is 25151011511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11511015151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15674 + ... + 152537.

Almost surely, 2^11511015152 is an apocalyptic number.

It is an amenable number.

11511015152 is an abundant number, since it is smaller than the sum of its proper divisors (16522523920).

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

11511015152 is a wasteful number, since it uses less digits than its factorization.

11511015152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168286 (or 168280 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 23.

Adding to 11511015152 its reverse (25151011511), we get a palindrome (36662026663).

The spelling of 11511015152 in words is "eleven billion, five hundred eleven million, fifteen thousand, one hundred fifty-two".