15456630534 has 16 divisors (see below), whose sum is σ = 31260602160. Its totient is φ = 5094320000.

The previous prime is 15456630509. The next prime is 15456630547. The reversal of 15456630534 is 43503665451.

15456630534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15456630534² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14471967 + ... + 14473034.

It is an arithmetic number, because the mean of its divisors is an integer number (1953787635).

Almost surely, 2^15456630534 is an apocalyptic number.

15456630534 is an abundant number, since it is smaller than the sum of its proper divisors (15803971626).

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

15456630534 is a wasteful number, since it uses less digits than its factorization.

15456630534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28945095.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 15456630534 in words is "fifteen billion, four hundred fifty-six million, six hundred thirty thousand, five hundred thirty-four".