125155012319 has 2 divisors, whose sum is σ = 125155012320. Its totient is φ = 125155012318.

The previous prime is 125155012303. The next prime is 125155012387. The reversal of 125155012319 is 913210551521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125155012319 - 2⁴ = 125155012303 is a prime.

It is a super-2 number, since 2×125155012319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125155012399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62577506159 + 62577506160.

It is an arithmetic number, because the mean of its divisors is an integer number (62577506160).

Almost surely, 2^125155012319 is an apocalyptic number.

125155012319 is a deficient number, since it is larger than the sum of its proper divisors (1).

125155012319 is an equidigital number, since it uses as much as digits as its factorization.

125155012319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 35.

The spelling of 125155012319 in words is "one hundred twenty-five billion, one hundred fifty-five million, twelve thousand, three hundred nineteen".