25157454375 has 20 divisors (see below), whose sum is σ = 41915676440. Its totient is φ = 13417308000.

The previous prime is 25157454373. The next prime is 25157454401. The reversal of 25157454375 is 57345475152.

It is not a de Polignac number, because 25157454375 - 2¹ = 25157454373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25157454373) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6706780 + ... + 6710529.

It is an arithmetic number, because the mean of its divisors is an integer number (2095783822).

Almost surely, 2^25157454375 is an apocalyptic number.

25157454375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25157454375 is a deficient number, since it is larger than the sum of its proper divisors (16758222065).

25157454375 is an equidigital number, since it uses as much as digits as its factorization.

25157454375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13417332 (or 13417317 counting only the distinct ones).

The product of its digits is 2940000, while the sum is 48.

The spelling of 25157454375 in words is "twenty-five billion, one hundred fifty-seven million, four hundred fifty-four thousand, three hundred seventy-five".