36133772521 has 12 divisors (see below), whose sum is σ = 45854361360. Its totient is φ = 28156185960.

The previous prime is 36133772509. The next prime is 36133772533. The reversal of 36133772521 is 12527733163.

It is an interprime number because it is at equal distance from previous prime (36133772509) and next prime (36133772533).

It is not a de Polignac number, because 36133772521 - 2⁹ = 36133772009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36133772551) 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, 33518731 + ... + 33519808.

It is an arithmetic number, because the mean of its divisors is an integer number (3821196780).

Almost surely, 2^36133772521 is an apocalyptic number.

It is an amenable number.

36133772521 is a deficient number, since it is larger than the sum of its proper divisors (9720588839).

36133772521 is a wasteful number, since it uses less digits than its factorization.

36133772521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67038564 (or 67038557 counting only the distinct ones).

The product of its digits is 158760, while the sum is 40.

The spelling of 36133772521 in words is "thirty-six billion, one hundred thirty-three million, seven hundred seventy-two thousand, five hundred twenty-one".