125510047997 has 8 divisors (see below), whose sum is σ = 125844276600. Its totient is φ = 125175953664.

The previous prime is 125510047951. The next prime is 125510048023. The reversal of 125510047997 is 799740015521.

It can be written as a sum of positive squares in 4 ways, for example, as 9303374116 + 116206673881 = 96454^2 + 340891^2 .

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 125510047997 - 2²⁴ = 125493270781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125510047907) 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, 2001443 + ... + 2063199.

It is an arithmetic number, because the mean of its divisors is an integer number (15730534575).

Almost surely, 2^125510047997 is an apocalyptic number.

It is an amenable number.

125510047997 is a deficient number, since it is larger than the sum of its proper divisors (334228603).

125510047997 is an equidigital number, since it uses as much as digits as its factorization.

125510047997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67135.

The product of its (nonzero) digits is 793800, while the sum is 50.

The spelling of 125510047997 in words is "one hundred twenty-five billion, five hundred ten million, forty-seven thousand, nine hundred ninety-seven".