152461636250081 has 2 divisors, whose sum is σ = 152461636250082. Its totient is φ = 152461636250080.

The previous prime is 152461636249933. The next prime is 152461636250123. The reversal of 152461636250081 is 180052636164251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100448100864400 + 52013535385681 = 10022380^2 + 7212041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152461636250081 is a prime.

It is a super-2 number, since 2×152461636250081² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (152461636250981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76230818125040 + 76230818125041.

It is an arithmetic number, because the mean of its divisors is an integer number (76230818125041).

Almost surely, 2^{152461636250081} is an apocalyptic number.

It is an amenable number.

152461636250081 is a deficient number, since it is larger than the sum of its proper divisors (1).

152461636250081 is an equidigital number, since it uses as much as digits as its factorization.

152461636250081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 152461636250081 in words is "one hundred fifty-two trillion, four hundred sixty-one billion, six hundred thirty-six million, two hundred fifty thousand, eighty-one".