25536122116 has 24 divisors (see below), whose sum is σ = 45313255904. Its totient is φ = 12589577280.

The previous prime is 25536122083. The next prime is 25536122119. The reversal of 25536122116 is 61122163552.

It is not an unprimeable number, because it can be changed into a prime (25536122119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228651 + ... + 1249261.

Almost surely, 2^25536122116 is an apocalyptic number.

It is an amenable number.

25536122116 is a deficient number, since it is larger than the sum of its proper divisors (19777133788).

25536122116 is a wasteful number, since it uses less digits than its factorization.

25536122116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24931 (or 24929 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

Adding to 25536122116 its reverse (61122163552), we get a palindrome (86658285668).

The spelling of 25536122116 in words is "twenty-five billion, five hundred thirty-six million, one hundred twenty-two thousand, one hundred sixteen".