12515456151 has 64 divisors (see below), whose sum is σ = 21737064960. Its totient is φ = 7032199680.

The previous prime is 12515456143. The next prime is 12515456153. The reversal of 12515456151 is 15165451521.

12515456151 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 545 + 61 + 51 = 666.

It is not a de Polignac number, because 12515456151 - 2³ = 12515456143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515456153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 319785 + ... + 356781.

It is an arithmetic number, because the mean of its divisors is an integer number (339641640).

Almost surely, 2^12515456151 is an apocalyptic number.

12515456151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12515456151 is a deficient number, since it is larger than the sum of its proper divisors (9221608809).

12515456151 is a wasteful number, since it uses less digits than its factorization.

12515456151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37101 (or 37095 counting only the distinct ones).

The product of its digits is 30000, while the sum is 36.

The spelling of 12515456151 in words is "twelve billion, five hundred fifteen million, four hundred fifty-six thousand, one hundred fifty-one".