45057715665 has 16 divisors (see below), whose sum is σ = 72135892608. Its totient is φ = 24016265856.

The previous prime is 45057715621. The next prime is 45057715709. The reversal of 45057715665 is 56651775054.

It is an interprime number because it is at equal distance from previous prime (45057715621) and next prime (45057715709).

It is not a de Polignac number, because 45057715665 - 2¹³ = 45057707473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881557 + ... + 931266.

It is an arithmetic number, because the mean of its divisors is an integer number (4508493288).

Almost surely, 2^45057715665 is an apocalyptic number.

It is an amenable number.

45057715665 is a deficient number, since it is larger than the sum of its proper divisors (27078176943).

45057715665 is a wasteful number, since it uses less digits than its factorization.

45057715665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814488.

The product of its (nonzero) digits is 4410000, while the sum is 51.

The spelling of 45057715665 in words is "forty-five billion, fifty-seven million, seven hundred fifteen thousand, six hundred sixty-five".