25552142115 has 16 divisors (see below), whose sum is σ = 43035187200. Its totient is φ = 12910555872.

The previous prime is 25552142089. The next prime is 25552142129. The reversal of 25552142115 is 51124125552.

It is not a de Polignac number, because 25552142115 - 2⁶ = 25552142051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44828035 + ... + 44828604.

It is an arithmetic number, because the mean of its divisors is an integer number (2689699200).

Almost surely, 2^25552142115 is an apocalyptic number.

25552142115 is a deficient number, since it is larger than the sum of its proper divisors (17483045085).

25552142115 is a wasteful number, since it uses less digits than its factorization.

25552142115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89656666.

The product of its digits is 20000, while the sum is 33.

Adding to 25552142115 its reverse (51124125552), we get a palindrome (76676267667).

The spelling of 25552142115 in words is "twenty-five billion, five hundred fifty-two million, one hundred forty-two thousand, one hundred fifteen".