36391323725 has 12 divisors (see below), whose sum is σ = 45127814016. Its totient is φ = 29111399280.

The previous prime is 36391323721. The next prime is 36391323743. The reversal of 36391323725 is 52732319363.

It is a happy number.

It is not a de Polignac number, because 36391323725 - 2² = 36391323721 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 (36391323721) 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, 600674 + ... + 658476.

It is an arithmetic number, because the mean of its divisors is an integer number (3760651168).

Almost surely, 2^36391323725 is an apocalyptic number.

It is an amenable number.

36391323725 is a deficient number, since it is larger than the sum of its proper divisors (8736490291).

36391323725 is a wasteful number, since it uses less digits than its factorization.

36391323725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82996 (or 82991 counting only the distinct ones).

The product of its digits is 612360, while the sum is 44.

The spelling of 36391323725 in words is "thirty-six billion, three hundred ninety-one million, three hundred twenty-three thousand, seven hundred twenty-five".