11959526628 has 54 divisors (see below), whose sum is σ = 35166708486. Its totient is φ = 3417007104.

The previous prime is 11959526617. The next prime is 11959526651. The reversal of 11959526628 is 82662595911.

11959526628 is a `hidden beast` number, since 1 + 1 + 9 + 5 + 9 + 5 + 2 + 6 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7661150784 + 4298375844 = 87528^2 + 65562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3388125 + ... + 3391652.

Almost surely, 2^11959526628 is an apocalyptic number.

11959526628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11959526628 is an abundant number, since it is smaller than the sum of its proper divisors (23207181858).

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

11959526628 is a wasteful number, since it uses less digits than its factorization.

11959526628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779801 (or 6779789 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The spelling of 11959526628 in words is "eleven billion, nine hundred fifty-nine million, five hundred twenty-six thousand, six hundred twenty-eight".