45521133441531 has 16 divisors (see below), whose sum is σ = 66214396812288. Its totient is φ = 27587799439200.

The previous prime is 45521133441523. The next prime is 45521133441533. The reversal of 45521133441531 is 13514433112554.

It is not a de Polignac number, because 45521133441531 - 2³ = 45521133441523 is a prime.

It is a super-2 number, since 2×45521133441531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45521133441533) 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, 17949835 + ... + 20328276.

It is an arithmetic number, because the mean of its divisors is an integer number (4138399800768).

Almost surely, 2^{45521133441531} is an apocalyptic number.

45521133441531 is a deficient number, since it is larger than the sum of its proper divisors (20693263370757).

45521133441531 is a wasteful number, since it uses less digits than its factorization.

45521133441531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38314162.

The product of its digits is 432000, while the sum is 42.

The spelling of 45521133441531 in words is "forty-five trillion, five hundred twenty-one billion, one hundred thirty-three million, four hundred forty-one thousand, five hundred thirty-one".