125169315415 has 16 divisors (see below), whose sum is σ = 151053465600. Its totient is φ = 99569828512.

The previous prime is 125169315409. The next prime is 125169315511. The reversal of 125169315415 is 514513961521.

It is a cyclic number.

It is not a de Polignac number, because 125169315415 - 2¹⁹ = 125168791127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739506 + ... + 892864.

It is an arithmetic number, because the mean of its divisors is an integer number (9440841600).

Almost surely, 2^125169315415 is an apocalyptic number.

125169315415 is a deficient number, since it is larger than the sum of its proper divisors (25884150185).

125169315415 is a wasteful number, since it uses less digits than its factorization.

125169315415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154286.

The product of its digits is 162000, while the sum is 43.

The spelling of 125169315415 in words is "one hundred twenty-five billion, one hundred sixty-nine million, three hundred fifteen thousand, four hundred fifteen".