152504221391 has 2 divisors, whose sum is σ = 152504221392. Its totient is φ = 152504221390.

The previous prime is 152504221361. The next prime is 152504221393. The reversal of 152504221391 is 193122405251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152504221391 is a prime.

Together with 152504221393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152504221393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76252110695 + 76252110696.

It is an arithmetic number, because the mean of its divisors is an integer number (76252110696).

Almost surely, 2^152504221391 is an apocalyptic number.

152504221391 is a deficient number, since it is larger than the sum of its proper divisors (1).

152504221391 is an equidigital number, since it uses as much as digits as its factorization.

152504221391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 152504221391 in words is "one hundred fifty-two billion, five hundred four million, two hundred twenty-one thousand, three hundred ninety-one".