45561210918123 has 16 divisors (see below), whose sum is σ = 61534679859200. Its totient is φ = 29981159208000.

The previous prime is 45561210918107. The next prime is 45561210918127. The reversal of 45561210918123 is 32181901216554.

45561210918123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45561210918123 - 2⁴ = 45561210918107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45561210918127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26401003 + ... + 28073748.

It is an arithmetic number, because the mean of its divisors is an integer number (3845917491200).

Almost surely, 2^{45561210918123} is an apocalyptic number.

45561210918123 is a deficient number, since it is larger than the sum of its proper divisors (15973468941077).

45561210918123 is a wasteful number, since it uses less digits than its factorization.

45561210918123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54478362.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 45561210918123 in words is "forty-five trillion, five hundred sixty-one billion, two hundred ten million, nine hundred eighteen thousand, one hundred twenty-three".