25102155116 has 12 divisors (see below), whose sum is σ = 44244806760. Its totient is φ = 12460781760.

The previous prime is 25102155097. The next prime is 25102155139. The reversal of 25102155116 is 61155120152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22573325 + ... + 22574436.

It is an arithmetic number, because the mean of its divisors is an integer number (3687067230).

Almost surely, 2^25102155116 is an apocalyptic number.

It is an amenable number.

25102155116 is a deficient number, since it is larger than the sum of its proper divisors (19142651644).

25102155116 is a wasteful number, since it uses less digits than its factorization.

25102155116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45147904 (or 45147902 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 25102155116 its reverse (61155120152), we get a palindrome (86257275268).

The spelling of 25102155116 in words is "twenty-five billion, one hundred two million, one hundred fifty-five thousand, one hundred sixteen".