500123161520125 has 64 divisors (see below), whose sum is σ = 733528219027968. Its totient is φ = 335629465920000.

The previous prime is 500123161520123. The next prime is 500123161520173. The reversal of 500123161520125 is 521025161321005.

It is not a de Polignac number, because 500123161520125 - 2¹ = 500123161520123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500123161520123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46172320 + ... + 55965430.

It is an arithmetic number, because the mean of its divisors is an integer number (11461378422312).

Almost surely, 2^{500123161520125} is an apocalyptic number.

500123161520125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

500123161520125 is a deficient number, since it is larger than the sum of its proper divisors (233405057507843).

500123161520125 is a wasteful number, since it uses less digits than its factorization.

500123161520125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796007 (or 9795997 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 500123161520125 in words is "five hundred trillion, one hundred twenty-three billion, one hundred sixty-one million, five hundred twenty thousand, one hundred twenty-five".