125131177503563 has 16 divisors (see below), whose sum is σ = 156614735706624. Its totient is φ = 97125417461760.

The previous prime is 125131177503517. The next prime is 125131177503613. The reversal of 125131177503563 is 365305771131521.

It is a cyclic number.

It is not a de Polignac number, because 125131177503563 - 2¹⁶ = 125131177438027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125131177503503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3161614895 + ... + 3161654472.

It is an arithmetic number, because the mean of its divisors is an integer number (9788420981664).

Almost surely, 2^{125131177503563} is an apocalyptic number.

125131177503563 is a deficient number, since it is larger than the sum of its proper divisors (31483558203061).

125131177503563 is a wasteful number, since it uses less digits than its factorization.

125131177503563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323269642.

The product of its (nonzero) digits is 1984500, while the sum is 50.

The spelling of 125131177503563 in words is "one hundred twenty-five trillion, one hundred thirty-one billion, one hundred seventy-seven million, five hundred three thousand, five hundred sixty-three".