125793251431 has 2 divisors, whose sum is σ = 125793251432. Its totient is φ = 125793251430.

The previous prime is 125793251347. The next prime is 125793251449. The reversal of 125793251431 is 134152397521.

It is a strong prime.

It is an emirp because it is prime and its reverse (134152397521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125793251431 - 2²³ = 125784862823 is a prime.

It is a super-2 number, since 2×125793251431² (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 (125793251491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62896625715 + 62896625716.

It is an arithmetic number, because the mean of its divisors is an integer number (62896625716).

Almost surely, 2^125793251431 is an apocalyptic number.

125793251431 is a deficient number, since it is larger than the sum of its proper divisors (1).

125793251431 is an equidigital number, since it uses as much as digits as its factorization.

125793251431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The spelling of 125793251431 in words is "one hundred twenty-five billion, seven hundred ninety-three million, two hundred fifty-one thousand, four hundred thirty-one".