125687255379 has 8 divisors (see below), whose sum is σ = 191523436800. Its totient is φ = 71821288776.

The previous prime is 125687255363. The next prime is 125687255387. The reversal of 125687255379 is 973552786521.

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

It is not a de Polignac number, because 125687255379 - 2⁴ = 125687255363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125687255329) 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, 2992553679 + ... + 2992553720.

It is an arithmetic number, because the mean of its divisors is an integer number (23940429600).

Almost surely, 2^125687255379 is an apocalyptic number.

125687255379 is a deficient number, since it is larger than the sum of its proper divisors (65836181421).

125687255379 is an equidigital number, since it uses as much as digits as its factorization.

125687255379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985107409.

The product of its digits is 31752000, while the sum is 60.

The spelling of 125687255379 in words is "one hundred twenty-five billion, six hundred eighty-seven million, two hundred fifty-five thousand, three hundred seventy-nine".