45211565523 has 16 divisors (see below), whose sum is σ = 61142086656. Its totient is φ = 29711196480.

The previous prime is 45211565521. The next prime is 45211565549. The reversal of 45211565523 is 32556511254.

It is not a de Polignac number, because 45211565523 - 2¹ = 45211565521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45211565521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431286 + ... + 1462532.

It is an arithmetic number, because the mean of its divisors is an integer number (3821380416).

Almost surely, 2^45211565523 is an apocalyptic number.

45211565523 is a deficient number, since it is larger than the sum of its proper divisors (15930521133).

45211565523 is a wasteful number, since it uses less digits than its factorization.

45211565523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38114.

The product of its digits is 180000, while the sum is 39.

The spelling of 45211565523 in words is "forty-five billion, two hundred eleven million, five hundred sixty-five thousand, five hundred twenty-three".