125311023533 has 16 divisors (see below), whose sum is σ = 135414547200. Its totient is φ = 115604375040.

The previous prime is 125311023517. The next prime is 125311023601. The reversal of 125311023533 is 335320113521.

It is a happy number.

It is not a de Polignac number, because 125311023533 - 2⁴ = 125311023517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125311023496 and 125311023505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125311023833) 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, 518528 + ... + 720758.

It is an arithmetic number, because the mean of its divisors is an integer number (8463409200).

Almost surely, 2^125311023533 is an apocalyptic number.

It is an amenable number.

125311023533 is a deficient number, since it is larger than the sum of its proper divisors (10103523667).

125311023533 is a wasteful number, since it uses less digits than its factorization.

125311023533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203212.

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 125311023533 in words is "one hundred twenty-five billion, three hundred eleven million, twenty-three thousand, five hundred thirty-three".