36250660561 has 2 divisors, whose sum is σ = 36250660562. Its totient is φ = 36250660560.

The previous prime is 36250660553. The next prime is 36250660609. The reversal of 36250660561 is 16506605263.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21095819536 + 15154841025 = 145244^2 + 123105^2 .

It is a cyclic number.

It is not a de Polignac number, because 36250660561 - 2³ = 36250660553 is a prime.

It is a super-2 number, since 2×36250660561² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36251660561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18125330280 + 18125330281.

It is an arithmetic number, because the mean of its divisors is an integer number (18125330281).

Almost surely, 2^36250660561 is an apocalyptic number.

It is an amenable number.

36250660561 is a deficient number, since it is larger than the sum of its proper divisors (1).

36250660561 is an equidigital number, since it uses as much as digits as its factorization.

36250660561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 36250660561 in words is "thirty-six billion, two hundred fifty million, six hundred sixty thousand, five hundred sixty-one".