125203110523 has 16 divisors (see below), whose sum is σ = 133905332736. Its totient is φ = 116775588160.

The previous prime is 125203110503. The next prime is 125203110541. The reversal of 125203110523 is 325011302521.

It is a cyclic number.

It is not a de Polignac number, because 125203110523 - 2²⁵ = 125169556091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125203110503) 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, 1763490 + ... + 1833112.

It is an arithmetic number, because the mean of its divisors is an integer number (8369083296).

Almost surely, 2^125203110523 is an apocalyptic number.

125203110523 is a deficient number, since it is larger than the sum of its proper divisors (8702222213).

125203110523 is a wasteful number, since it uses less digits than its factorization.

125203110523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71594.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 125203110523 in words is "one hundred twenty-five billion, two hundred three million, one hundred ten thousand, five hundred twenty-three".