125500250451 has 32 divisors (see below), whose sum is σ = 170897126400. Its totient is φ = 81898083360.

The previous prime is 125500250443. The next prime is 125500250471. The reversal of 125500250451 is 154052005521.

It is not a de Polignac number, because 125500250451 - 2³ = 125500250443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125500250471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47196960 + ... + 47199618.

It is an arithmetic number, because the mean of its divisors is an integer number (5340535200).

Almost surely, 2^125500250451 is an apocalyptic number.

125500250451 is a deficient number, since it is larger than the sum of its proper divisors (45396875949).

125500250451 is a wasteful number, since it uses less digits than its factorization.

125500250451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759.

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 125500250451 its reverse (154052005521), we get a palindrome (279552255972).

The spelling of 125500250451 in words is "one hundred twenty-five billion, five hundred million, two hundred fifty thousand, four hundred fifty-one".