12500152515 has 12 divisors (see below), whose sum is σ = 21666931104. Its totient is φ = 6666747984.

The previous prime is 12500152471. The next prime is 12500152523. The reversal of 12500152515 is 51525100521.

12500152515 is a `hidden beast` number, since 1 + 2 + 500 + 152 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 12500152515 - 2¹⁰ = 12500151491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138890539 + ... + 138890628.

It is an arithmetic number, because the mean of its divisors is an integer number (1805577592).

Almost surely, 2^12500152515 is an apocalyptic number.

12500152515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12500152515 is a deficient number, since it is larger than the sum of its proper divisors (9166778589).

12500152515 is a wasteful number, since it uses less digits than its factorization.

12500152515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277781178 (or 277781175 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 12500152515 in words is "twelve billion, five hundred million, one hundred fifty-two thousand, five hundred fifteen".