15114531456 has 48 divisors (see below), whose sum is σ = 43493642010. Its totient is φ = 5038176768.

The previous prime is 15114531427. The next prime is 15114531473. The reversal of 15114531456 is 65413541151.

15114531456 is a `hidden beast` number, since 1 + 5 + 114 + 531 + 4 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7711649856 + 7402881600 = 87816^2 + 86040^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×15114531456² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 15114531456.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6558975 + ... + 6561278.

Almost surely, 2^15114531456 is an apocalyptic number.

15114531456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15114531456 is an abundant number, since it is smaller than the sum of its proper divisors (28379110554).

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

15114531456 is a wasteful number, since it uses less digits than its factorization.

15114531456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13120273 (or 13120258 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 15114531456 in words is "fifteen billion, one hundred fourteen million, five hundred thirty-one thousand, four hundred fifty-six".