45525407091 has 16 divisors (see below), whose sum is σ = 64275734304. Its totient is φ = 28562929664.

The previous prime is 45525407087. The next prime is 45525407093. The reversal of 45525407091 is 19070452554.

45525407091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45525407091 - 2² = 45525407087 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45525407093) 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, 1050631 + ... + 1093103.

It is an arithmetic number, because the mean of its divisors is an integer number (4017233394).

Almost surely, 2^45525407091 is an apocalyptic number.

45525407091 is a deficient number, since it is larger than the sum of its proper divisors (18750327213).

45525407091 is a wasteful number, since it uses less digits than its factorization.

45525407091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63510.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 45525407091 in words is "forty-five billion, five hundred twenty-five million, four hundred seven thousand, ninety-one".