125514880259 has 4 divisors (see below), whose sum is σ = 127027107816. Its totient is φ = 124002652704.

The previous prime is 125514880219. The next prime is 125514880273. The reversal of 125514880259 is 952088415521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952088415521 = 17 ⋅56005200913.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125514880259 is a prime.

It is a super-2 number, since 2×125514880259² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125514880219) 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, 756113654 + ... + 756113819.

It is an arithmetic number, because the mean of its divisors is an integer number (31756776954).

Almost surely, 2^125514880259 is an apocalyptic number.

125514880259 is a deficient number, since it is larger than the sum of its proper divisors (1512227557).

125514880259 is an equidigital number, since it uses as much as digits as its factorization.

125514880259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512227556.

The product of its (nonzero) digits is 1152000, while the sum is 50.

The spelling of 125514880259 in words is "one hundred twenty-five billion, five hundred fourteen million, eight hundred eighty thousand, two hundred fifty-nine".