123425525521315 has 4 divisors (see below), whose sum is σ = 148110630625584. Its totient is φ = 98740420417048.

The previous prime is 123425525521313. The next prime is 123425525521351. The reversal of 123425525521315 is 513125525524321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123425525521315 - 2¹ = 123425525521313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123425525521313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12342552552127 + ... + 12342552552136.

It is an arithmetic number, because the mean of its divisors is an integer number (37027657656396).

Almost surely, 2^{123425525521315} is an apocalyptic number.

123425525521315 is a deficient number, since it is larger than the sum of its proper divisors (24685105104269).

123425525521315 is an equidigital number, since it uses as much as digits as its factorization.

123425525521315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24685105104268.

The product of its digits is 1800000, while the sum is 46.

The spelling of 123425525521315 in words is "one hundred twenty-three trillion, four hundred twenty-five billion, five hundred twenty-five million, five hundred twenty-one thousand, three hundred fifteen".