125140140025 has 12 divisors (see below), whose sum is σ = 155179759824. Its totient is φ = 100108250000.

The previous prime is 125140139953. The next prime is 125140140043. The reversal of 125140140025 is 520041041521.

It is not a de Polignac number, because 125140140025 - 2¹⁹ = 125139615737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690150 + ... + 852400.

It is an arithmetic number, because the mean of its divisors is an integer number (12931646652).

Almost surely, 2^125140140025 is an apocalyptic number.

It is an amenable number.

125140140025 is a deficient number, since it is larger than the sum of its proper divisors (30039619799).

125140140025 is a wasteful number, since it uses less digits than its factorization.

125140140025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193112 (or 193107 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 125140140025 its reverse (520041041521), we get a palindrome (645181181546).

The spelling of 125140140025 in words is "one hundred twenty-five billion, one hundred forty million, one hundred forty thousand, twenty-five".