11956852530 has 64 divisors (see below), whose sum is σ = 36439937280. Its totient is φ = 2732994432.

The previous prime is 11956852469. The next prime is 11956852601. The reversal of 11956852530 is 3525865911.

11956852530 is a `hidden beast` number, since 1 + 1 + 9 + 5 + 68 + 52 + 530 = 666.

11956852530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3161299 + ... + 3165078.

It is an arithmetic number, because the mean of its divisors is an integer number (569374020).

Almost surely, 2^11956852530 is an apocalyptic number.

11956852530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11956852530 is an abundant number, since it is smaller than the sum of its proper divisors (24483084750).

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

11956852530 is a wasteful number, since it uses less digits than its factorization.

11956852530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6326400 (or 6326394 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 11956852530 in words is "eleven billion, nine hundred fifty-six million, eight hundred fifty-two thousand, five hundred thirty".