25915386950 has 24 divisors (see below), whose sum is σ = 48881536560. Its totient is φ = 10220151200.

The previous prime is 25915386943. The next prime is 25915386953. The reversal of 25915386950 is 5968351952.

It is a junction number, because it is equal to n+sod(n) for n = 25915386892 and 25915386901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25915386953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3646505 + ... + 3653604.

It is an arithmetic number, because the mean of its divisors is an integer number (2036730690).

Almost surely, 2^25915386950 is an apocalyptic number.

25915386950 is a deficient number, since it is larger than the sum of its proper divisors (22966149610).

25915386950 is a wasteful number, since it uses less digits than its factorization.

25915386950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300192 (or 7300187 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 25915386950 in words is "twenty-five billion, nine hundred fifteen million, three hundred eighty-six thousand, nine hundred fifty".