9125905507873 has 16 divisors (see below), whose sum is σ = 11381754617856. Its totient is φ = 7108593765840.

The previous prime is 9125905507861. The next prime is 9125905507913. The reversal of 9125905507873 is 3787055095219.

It is not a de Polignac number, because 9125905507873 - 2⁹ = 9125905507361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9125905507073) 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, 20624961 + ... + 21062782.

It is an arithmetic number, because the mean of its divisors is an integer number (711359663616).

Almost surely, 2^{9125905507873} is an apocalyptic number.

It is an amenable number.

9125905507873 is a deficient number, since it is larger than the sum of its proper divisors (2255849109983).

9125905507873 is a wasteful number, since it uses less digits than its factorization.

9125905507873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41690604.

The product of its (nonzero) digits is 23814000, while the sum is 61.

The spelling of 9125905507873 in words is "nine trillion, one hundred twenty-five billion, nine hundred five million, five hundred seven thousand, eight hundred seventy-three".