36758120721 has 12 divisors (see below), whose sum is σ = 57012595632. Its totient is φ = 21004640328.

The previous prime is 36758120717. The next prime is 36758120767. The reversal of 36758120721 is 12702185763.

It is not a de Polignac number, because 36758120721 - 2² = 36758120717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36758100721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125027475 + ... + 125027768.

It is an arithmetic number, because the mean of its divisors is an integer number (4751049636).

Almost surely, 2^36758120721 is an apocalyptic number.

It is an amenable number.

36758120721 is a deficient number, since it is larger than the sum of its proper divisors (20254474911).

36758120721 is a wasteful number, since it uses less digits than its factorization.

36758120721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250055260 (or 250055253 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 36758120721 in words is "thirty-six billion, seven hundred fifty-eight million, one hundred twenty thousand, seven hundred twenty-one".