25506116298 has 64 divisors (see below), whose sum is σ = 61775844480. Its totient is φ = 7753463424.

The previous prime is 25506116297. The next prime is 25506116393. The reversal of 25506116298 is 89261160552.

25506116298 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 6 + 11 + 629 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (25506116297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160611 + ... + 277142.

It is an arithmetic number, because the mean of its divisors is an integer number (965247570).

Almost surely, 2^25506116298 is an apocalyptic number.

25506116298 is an abundant number, since it is smaller than the sum of its proper divisors (36269728182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25506116298 is a wasteful number, since it uses less digits than its factorization.

25506116298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437860 (or 437854 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 25506116298 in words is "twenty-five billion, five hundred six million, one hundred sixteen thousand, two hundred ninety-eight".