123542525045005 has 32 divisors (see below), whose sum is σ = 164822066345088. Its totient is φ = 88131271737600.

The previous prime is 123542525044957. The next prime is 123542525045021. The reversal of 123542525045005 is 500540525245321.

It is not a de Polignac number, because 123542525045005 - 2²⁷ = 123542390827277 is a prime.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 5965095 + ... + 16812715.

It is an arithmetic number, because the mean of its divisors is an integer number (5150689573284).

Almost surely, 2^{123542525045005} is an apocalyptic number.

It is an amenable number.

123542525045005 is a deficient number, since it is larger than the sum of its proper divisors (41279541300083).

123542525045005 is a wasteful number, since it uses less digits than its factorization.

123542525045005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851597.

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 123542525045005 in words is "one hundred twenty-three trillion, five hundred forty-two billion, five hundred twenty-five million, forty-five thousand, five".