45651872117 has 4 divisors (see below), whose sum is σ = 45652921356. Its totient is φ = 45650822880.

The previous prime is 45651872111. The next prime is 45651872141. The reversal of 45651872117 is 71127815654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1671910321 + 43979961796 = 40889^2 + 209714^2 .

It is a cyclic number.

It is not a de Polignac number, because 45651872117 - 2⁶ = 45651872053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45651872111) 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, 456398 + ... + 547359.

It is an arithmetic number, because the mean of its divisors is an integer number (11413230339).

Almost surely, 2^45651872117 is an apocalyptic number.

It is an amenable number.

45651872117 is a deficient number, since it is larger than the sum of its proper divisors (1049239).

45651872117 is a wasteful number, since it uses less digits than its factorization.

45651872117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049238.

The product of its digits is 470400, while the sum is 47.

The spelling of 45651872117 in words is "forty-five billion, six hundred fifty-one million, eight hundred seventy-two thousand, one hundred seventeen".