125137626263 has 18 divisors (see below), whose sum is σ = 143943812064. Its totient is φ = 108716809344.

The previous prime is 125137626247. The next prime is 125137626287. The reversal of 125137626263 is 362626731521.

It is not a de Polignac number, because 125137626263 - 2⁴ = 125137626247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125137626223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1232231 + ... + 1329912.

It is an arithmetic number, because the mean of its divisors is an integer number (7996878448).

Almost surely, 2^125137626263 is an apocalyptic number.

125137626263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125137626263 is a deficient number, since it is larger than the sum of its proper divisors (18806185801).

125137626263 is a wasteful number, since it uses less digits than its factorization.

125137626263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562203 (or 2562173 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The spelling of 125137626263 in words is "one hundred twenty-five billion, one hundred thirty-seven million, six hundred twenty-six thousand, two hundred sixty-three".