15461629956 has 36 divisors (see below), whose sum is σ = 39634043904. Its totient is φ = 5081286000.

The previous prime is 15461629949. The next prime is 15461629987. The reversal of 15461629956 is 65992616451.

15461629956 is a `hidden beast` number, since 1 + 5 + 4 + 6 + 1 + 629 + 9 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3022020 + ... + 3027131.

It is an arithmetic number, because the mean of its divisors is an integer number (1100945664).

Almost surely, 2^15461629956 is an apocalyptic number.

It is an amenable number.

15461629956 is an abundant number, since it is smaller than the sum of its proper divisors (24172413948).

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

15461629956 is a wasteful number, since it uses less digits than its factorization.

15461629956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049232 (or 6049227 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 15461629956 in words is "fifteen billion, four hundred sixty-one million, six hundred twenty-nine thousand, nine hundred fifty-six".