36556020645 has 32 divisors (see below), whose sum is σ = 60522422400. Its totient is φ = 18829138944.

The previous prime is 36556020629. The next prime is 36556020661. The reversal of 36556020645 is 54602065563.

It is an interprime number because it is at equal distance from previous prime (36556020629) and next prime (36556020661).

It is not a de Polignac number, because 36556020645 - 2⁴ = 36556020629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36556020597 and 36556020606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261000 + ... + 375809.

It is an arithmetic number, because the mean of its divisors is an integer number (1891325700).

Almost surely, 2^36556020645 is an apocalyptic number.

It is an amenable number.

36556020645 is a deficient number, since it is larger than the sum of its proper divisors (23966401755).

36556020645 is a wasteful number, since it uses less digits than its factorization.

36556020645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636949.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 36556020645 in words is "thirty-six billion, five hundred fifty-six million, twenty thousand, six hundred forty-five".