25900645110938 has 32 divisors (see below), whose sum is σ = 43283671495680. Its totient is φ = 11543212126080.

The previous prime is 25900645110931. The next prime is 25900645110961. The reversal of 25900645110938 is 83901154600952.

It is a self number, because there is not a number n which added to its sum of digits gives 25900645110938.

It is not an unprimeable number, because it can be changed into a prime (25900645110931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34790078 + ... + 35526761.

It is an arithmetic number, because the mean of its divisors is an integer number (1352614734240).

Almost surely, 2^{25900645110938} is an apocalyptic number.

25900645110938 is a deficient number, since it is larger than the sum of its proper divisors (17383026384742).

25900645110938 is a wasteful number, since it uses less digits than its factorization.

25900645110938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70317342.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 25900645110938 in words is "twenty-five trillion, nine hundred billion, six hundred forty-five million, one hundred ten thousand, nine hundred thirty-eight".