25502672102 has 16 divisors (see below), whose sum is σ = 39552484992. Its totient is φ = 12319853760.

The previous prime is 25502672089. The next prime is 25502672131. The reversal of 25502672102 is 20127620552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297503 + ... + 373514.

It is an arithmetic number, because the mean of its divisors is an integer number (2472030312).

Almost surely, 2^25502672102 is an apocalyptic number.

25502672102 is a deficient number, since it is larger than the sum of its proper divisors (14049812890).

25502672102 is a wasteful number, since it uses less digits than its factorization.

25502672102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671663.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 25502672102 in words is "twenty-five billion, five hundred two million, six hundred seventy-two thousand, one hundred two".