45136631571165 has 48 divisors (see below), whose sum is σ = 78622028110080. Its totient is φ = 23954526576000.

The previous prime is 45136631571149. The next prime is 45136631571173. The reversal of 45136631571165 is 56117513663154.

45136631571165 is a `hidden beast` number, since 4 + 5 + 1 + 3 + 6 + 6 + 3 + 1 + 571 + 1 + 65 = 666.

It is not a de Polignac number, because 45136631571165 - 2⁴ = 45136631571149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10205244 + ... + 13943466.

It is an arithmetic number, because the mean of its divisors is an integer number (1637958918960).

Almost surely, 2^{45136631571165} is an apocalyptic number.

45136631571165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45136631571165 is a deficient number, since it is larger than the sum of its proper divisors (33485396538915).

45136631571165 is a wasteful number, since it uses less digits than its factorization.

45136631571165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739554 (or 3739551 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 45136631571165 in words is "forty-five trillion, one hundred thirty-six billion, six hundred thirty-one million, five hundred seventy-one thousand, one hundred sixty-five".