36526561731 has 36 divisors (see below), whose sum is σ = 58691900904. Its totient is φ = 21870541440.

The previous prime is 36526561711. The next prime is 36526561741. The reversal of 36526561731 is 13716562563.

36526561731 is a `hidden beast` number, since 3 + 6 + 5 + 26 + 5 + 617 + 3 + 1 = 666.

It is not a de Polignac number, because 36526561731 - 2⁵ = 36526561699 is a prime.

It is a super-2 number, since 2×36526561731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36526561711) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 111670 + ... + 292443.

Almost surely, 2^36526561731 is an apocalyptic number.

36526561731 is a deficient number, since it is larger than the sum of its proper divisors (22165339173).

36526561731 is a wasteful number, since it uses less digits than its factorization.

36526561731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404224 (or 404210 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 36526561731 in words is "thirty-six billion, five hundred twenty-six million, five hundred sixty-one thousand, seven hundred thirty-one".