125252222252491 has 2 divisors, whose sum is σ = 125252222252492. Its totient is φ = 125252222252490.

The previous prime is 125252222252459. The next prime is 125252222252533. The reversal of 125252222252491 is 194252222252521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125252222252491 - 2⁵ = 125252222252459 is a prime.

It is not a weakly prime, because it can be changed into another prime (125252222252891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62626111126245 + 62626111126246.

It is an arithmetic number, because the mean of its divisors is an integer number (62626111126246).

Almost surely, 2^{125252222252491} is an apocalyptic number.

125252222252491 is a deficient number, since it is larger than the sum of its proper divisors (1).

125252222252491 is an equidigital number, since it uses as much as digits as its factorization.

125252222252491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152000, while the sum is 46.

The spelling of 125252222252491 in words is "one hundred twenty-five trillion, two hundred fifty-two billion, two hundred twenty-two million, two hundred fifty-two thousand, four hundred ninety-one".