25302505016 has 16 divisors (see below), whose sum is σ = 50232914640. Its totient is φ = 11907061120.

The previous prime is 25302505013. The next prime is 25302505027. The reversal of 25302505016 is 61050520352.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25302505016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25302505013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93023780 + ... + 93024051.

It is an arithmetic number, because the mean of its divisors is an integer number (3139557165).

Almost surely, 2^25302505016 is an apocalyptic number.

It is an amenable number.

25302505016 is a deficient number, since it is larger than the sum of its proper divisors (24930409624).

25302505016 is a wasteful number, since it uses less digits than its factorization.

25302505016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186047854 (or 186047850 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 25302505016 in words is "twenty-five billion, three hundred two million, five hundred five thousand, sixteen".