152316012581 has 2 divisors, whose sum is σ = 152316012582. Its totient is φ = 152316012580.

The previous prime is 152316012571. The next prime is 152316012623. The reversal of 152316012581 is 185210613251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82273743556 + 70042269025 = 286834^2 + 264655^2 .

It is a cyclic number.

It is not a de Polignac number, because 152316012581 - 2⁶ = 152316012517 is a prime.

It is a super-2 number, since 2×152316012581² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152316012571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76158006290 + 76158006291.

It is an arithmetic number, because the mean of its divisors is an integer number (76158006291).

Almost surely, 2^152316012581 is an apocalyptic number.

It is an amenable number.

152316012581 is a deficient number, since it is larger than the sum of its proper divisors (1).

152316012581 is an equidigital number, since it uses as much as digits as its factorization.

152316012581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 152316012581 in words is "one hundred fifty-two billion, three hundred sixteen million, twelve thousand, five hundred eighty-one".