45520533121 has 4 divisors (see below), whose sum is σ = 52023466432. Its totient is φ = 39017599812.

The previous prime is 45520533119. The next prime is 45520533133. The reversal of 45520533121 is 12133502554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45520533121 - 2¹ = 45520533119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45520533521) 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, 3251466645 + ... + 3251466658.

It is an arithmetic number, because the mean of its divisors is an integer number (13005866608).

Almost surely, 2^45520533121 is an apocalyptic number.

It is an amenable number.

45520533121 is a deficient number, since it is larger than the sum of its proper divisors (6502933311).

45520533121 is an equidigital number, since it uses as much as digits as its factorization.

45520533121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502933310.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 45520533121 in words is "forty-five billion, five hundred twenty million, five hundred thirty-three thousand, one hundred twenty-one".