125275250005 has 4 divisors (see below), whose sum is σ = 150330300012. Its totient is φ = 100220200000.

The previous prime is 125275249937. The next prime is 125275250027. The reversal of 125275250005 is 500052572521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500052572521 = 79 ⋅6329779399.

It can be written as a sum of positive squares in 2 ways, for example, as 68124132036 + 57151117969 = 261006^2 + 239063^2 .

It is not a de Polignac number, because 125275250005 - 2⁷ = 125275249877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12527524996 + ... + 12527525005.

It is an arithmetic number, because the mean of its divisors is an integer number (37582575003).

Almost surely, 2^125275250005 is an apocalyptic number.

It is an amenable number.

125275250005 is a deficient number, since it is larger than the sum of its proper divisors (25055050007).

125275250005 is an equidigital number, since it uses as much as digits as its factorization.

125275250005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055050006.

The product of its (nonzero) digits is 35000, while the sum is 34.

The spelling of 125275250005 in words is "one hundred twenty-five billion, two hundred seventy-five million, two hundred fifty thousand, five".