123525520501025 has 12 divisors (see below), whose sum is σ = 153754047123072. Its totient is φ = 98444673367440.

The previous prime is 123525520501013. The next prime is 123525520501067. The reversal of 123525520501025 is 520105025525321.

It is not a de Polignac number, because 123525520501025 - 2¹⁰ = 123525520500001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123525520501025.

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, 9393569129 + ... + 9393582278.

It is an arithmetic number, because the mean of its divisors is an integer number (12812837260256).

Almost surely, 2^{123525520501025} is an apocalyptic number.

It is an amenable number.

123525520501025 is a deficient number, since it is larger than the sum of its proper divisors (30228526622047).

123525520501025 is a wasteful number, since it uses less digits than its factorization.

123525520501025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18787151680 (or 18787151675 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 123525520501025 in words is "one hundred twenty-three trillion, five hundred twenty-five billion, five hundred twenty million, five hundred one thousand, twenty-five".