25049089415 has 32 divisors (see below), whose sum is σ = 34611757056. Its totient is φ = 17047578240.

The previous prime is 25049089411. The next prime is 25049089423. The reversal of 25049089415 is 51498094052.

It is a happy number.

It is not a de Polignac number, because 25049089415 - 2² = 25049089411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25049089415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25049089411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3091109 + ... + 3099201.

It is an arithmetic number, because the mean of its divisors is an integer number (1081617408).

Almost surely, 2^25049089415 is an apocalyptic number.

25049089415 is a deficient number, since it is larger than the sum of its proper divisors (9562667641).

25049089415 is a wasteful number, since it uses less digits than its factorization.

25049089415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 25049089415 in words is "twenty-five billion, forty-nine million, eighty-nine thousand, four hundred fifteen".