36570715081 has 2 divisors, whose sum is σ = 36570715082. Its totient is φ = 36570715080.

The previous prime is 36570715043. The next prime is 36570715169. The reversal of 36570715081 is 18051707563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35178753600 + 1391961481 = 187560^2 + 37309^2 .

It is a cyclic number.

It is not a de Polignac number, because 36570715081 - 2²⁹ = 36033844169 is a prime.

It is a super-2 number, since 2×36570715081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36510715081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18285357540 + 18285357541.

It is an arithmetic number, because the mean of its divisors is an integer number (18285357541).

Almost surely, 2^36570715081 is an apocalyptic number.

It is an amenable number.

36570715081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36570715081 is an equidigital number, since it uses as much as digits as its factorization.

36570715081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 36570715081 in words is "thirty-six billion, five hundred seventy million, seven hundred fifteen thousand, eighty-one".