45505009091 has 16 divisors (see below), whose sum is σ = 46363622400. Its totient is φ = 44653002240.

The previous prime is 45505009079. The next prime is 45505009103. The reversal of 45505009091 is 19090050554.

45505009091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45505009079) and next prime (45505009103).

It is a cyclic number.

It is not a de Polignac number, because 45505009091 - 2³⁴ = 28325139907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45505009031) 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, 14758436 + ... + 14761518.

It is an arithmetic number, because the mean of its divisors is an integer number (2897726400).

Almost surely, 2^45505009091 is an apocalyptic number.

45505009091 is a deficient number, since it is larger than the sum of its proper divisors (858613309).

45505009091 is a wasteful number, since it uses less digits than its factorization.

45505009091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 45505009091 in words is "forty-five billion, five hundred five million, nine thousand, ninety-one".