25157214115 has 16 divisors (see below), whose sum is σ = 32936161536. Its totient is φ = 18294444000.

The previous prime is 25157214053. The next prime is 25157214127. The reversal of 25157214115 is 51141275152.

It is not a de Polignac number, because 25157214115 - 2⁹ = 25157213603 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129840 + ... + 1151890.

It is an arithmetic number, because the mean of its divisors is an integer number (2058510096).

Almost surely, 2^25157214115 is an apocalyptic number.

25157214115 is a deficient number, since it is larger than the sum of its proper divisors (7778947421).

25157214115 is a wasteful number, since it uses less digits than its factorization.

25157214115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42810.

The product of its digits is 14000, while the sum is 34.

Adding to 25157214115 its reverse (51141275152), we get a palindrome (76298489267).

The spelling of 25157214115 in words is "twenty-five billion, one hundred fifty-seven million, two hundred fourteen thousand, one hundred fifteen".