11511422601 has 16 divisors (see below), whose sum is σ = 17542896000. Its totient is φ = 6577325568.

The previous prime is 11511422569. The next prime is 11511422627. The reversal of 11511422601 is 10622411511.

It is not a de Polignac number, because 11511422601 - 2⁵ = 11511422569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11511422641) 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, 282675 + ... + 320823.

It is an arithmetic number, because the mean of its divisors is an integer number (1096431000).

Almost surely, 2^11511422601 is an apocalyptic number.

It is an amenable number.

11511422601 is a deficient number, since it is larger than the sum of its proper divisors (6031473399).

11511422601 is a wasteful number, since it uses less digits than its factorization.

11511422601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52528.

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 11511422601 in words is "eleven billion, five hundred eleven million, four hundred twenty-two thousand, six hundred one".