11650522125 has 128 divisors (see below), whose sum is σ = 22786283520. Its totient is φ = 5225472000.

The previous prime is 11650521997. The next prime is 11650522129. The reversal of 11650522125 is 52122505611.

It is not a de Polignac number, because 11650522125 - 2⁷ = 11650521997 is a prime.

It is a super-2 number, since 2×11650522125² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11650522092 and 11650522101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11650522129) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3368397 + ... + 3371853.

It is an arithmetic number, because the mean of its divisors is an integer number (178017840).

Almost surely, 2^11650522125 is an apocalyptic number.

11650522125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11650522125 is a deficient number, since it is larger than the sum of its proper divisors (11135761395).

11650522125 is a wasteful number, since it uses less digits than its factorization.

11650522125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3538 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 11650522125 in words is "eleven billion, six hundred fifty million, five hundred twenty-two thousand, one hundred twenty-five".