11525550145 has 16 divisors (see below), whose sum is σ = 14062046400. Its totient is φ = 9066283200.

The previous prime is 11525550133. The next prime is 11525550181. The reversal of 11525550145 is 54105552511.

It is not a de Polignac number, because 11525550145 - 2²⁷ = 11391332417 is a prime.

It is a super-2 number, since 2×11525550145² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11525550145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551490 + ... + 1558900.

It is an arithmetic number, because the mean of its divisors is an integer number (878877900).

Almost surely, 2^11525550145 is an apocalyptic number.

It is an amenable number.

11525550145 is a deficient number, since it is larger than the sum of its proper divisors (2536496255).

11525550145 is an equidigital number, since it uses as much as digits as its factorization.

11525550145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 11525550145 in words is "eleven billion, five hundred twenty-five million, five hundred fifty thousand, one hundred forty-five".