20125526640315 has 32 divisors (see below), whose sum is σ = 33634581820416. Its totient is φ = 10256637325440.

The previous prime is 20125526640311. The next prime is 20125526640319. The reversal of 20125526640315 is 51304662552102.

It is an interprime number because it is at equal distance from previous prime (20125526640311) and next prime (20125526640319).

It is not a de Polignac number, because 20125526640315 - 2² = 20125526640311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20125526640311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28911231 + ... + 29599160.

It is an arithmetic number, because the mean of its divisors is an integer number (1051080681888).

Almost surely, 2^{20125526640315} is an apocalyptic number.

20125526640315 is a deficient number, since it is larger than the sum of its proper divisors (13509055180101).

20125526640315 is a wasteful number, since it uses less digits than its factorization.

20125526640315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58511419.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 20125526640315 in words is "twenty trillion, one hundred twenty-five billion, five hundred twenty-six million, six hundred forty thousand, three hundred fifteen".