125293858163 has 4 divisors (see below), whose sum is σ = 125468120160. Its totient is φ = 125119596168.

The previous prime is 125293858121. The next prime is 125293858169. The reversal of 125293858163 is 361858392521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125293858163 - 2²⁸ = 125025422707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125293858169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87129920 + ... + 87131357.

It is an arithmetic number, because the mean of its divisors is an integer number (31367030040).

Almost surely, 2^125293858163 is an apocalyptic number.

125293858163 is a deficient number, since it is larger than the sum of its proper divisors (174261997).

125293858163 is an equidigital number, since it uses as much as digits as its factorization.

125293858163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174261996.

The product of its digits is 3110400, while the sum is 53.

The spelling of 125293858163 in words is "one hundred twenty-five billion, two hundred ninety-three million, eight hundred fifty-eight thousand, one hundred sixty-three".