125425053251 has 4 divisors (see below), whose sum is σ = 125454493104. Its totient is φ = 125395613400.

The previous prime is 125425053203. The next prime is 125425053277. The reversal of 125425053251 is 152350524521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125425053251 - 2¹⁰ = 125425052227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125425053851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14713535 + ... + 14722056.

It is an arithmetic number, because the mean of its divisors is an integer number (31363623276).

Almost surely, 2^125425053251 is an apocalyptic number.

125425053251 is a deficient number, since it is larger than the sum of its proper divisors (29439853).

125425053251 is an equidigital number, since it uses as much as digits as its factorization.

125425053251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29439852.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 125425053251 its reverse (152350524521), we get a palindrome (277775577772).

The spelling of 125425053251 in words is "one hundred twenty-five billion, four hundred twenty-five million, fifty-three thousand, two hundred fifty-one".