125542635867263 has 8 divisors (see below), whose sum is σ = 126045038293776. Its totient is φ = 125040251160000.

The previous prime is 125542635867227. The next prime is 125542635867317. The reversal of 125542635867263 is 362768536245521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125542635867263 - 2⁸ = 125542635867007 is a prime.

It is a super-2 number, since 2×125542635867263² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125542635867263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125542635867563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9860795 + ... + 18663347.

It is an arithmetic number, because the mean of its divisors is an integer number (15755629786722).

Almost surely, 2^{125542635867263} is an apocalyptic number.

125542635867263 is a deficient number, since it is larger than the sum of its proper divisors (502402426513).

125542635867263 is an equidigital number, since it uses as much as digits as its factorization.

125542635867263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8859625.

The product of its digits is 435456000, while the sum is 65.

The spelling of 125542635867263 in words is "one hundred twenty-five trillion, five hundred forty-two billion, six hundred thirty-five million, eight hundred sixty-seven thousand, two hundred sixty-three".