12520275111015 has 64 divisors (see below), whose sum is σ = 23079962188800. Its totient is φ = 5677293726720.

The previous prime is 12520275110999. The next prime is 12520275111023. The reversal of 12520275111015 is 51011157202521.

It is not a de Polignac number, because 12520275111015 - 2⁴ = 12520275110999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5932411 + ... + 7761059.

It is an arithmetic number, because the mean of its divisors is an integer number (360624409200).

Almost surely, 2^{12520275111015} is an apocalyptic number.

12520275111015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12520275111015 is a deficient number, since it is larger than the sum of its proper divisors (10559687077785).

12520275111015 is a wasteful number, since it uses less digits than its factorization.

12520275111015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829192.

The product of its (nonzero) digits is 7000, while the sum is 33.

The spelling of 12520275111015 in words is "twelve trillion, five hundred twenty billion, two hundred seventy-five million, one hundred eleven thousand, fifteen".