25159228047690 has 64 divisors (see below), whose sum is σ = 66705249116160. Its totient is φ = 6022001643840.

The previous prime is 25159228047683. The next prime is 25159228047739. The reversal of 25159228047690 is 9674082295152.

It is a super-2 number, since 2×25159228047690² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482506114 + ... + 482558253.

It is an arithmetic number, because the mean of its divisors is an integer number (1042269517440).

Almost surely, 2^{25159228047690} is an apocalyptic number.

25159228047690 is an abundant number, since it is smaller than the sum of its proper divisors (41546021068470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25159228047690 is a wasteful number, since it uses less digits than its factorization.

25159228047690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965064467.

The product of its (nonzero) digits is 21772800, while the sum is 60.

It can be divided in two parts, 251592 and 28047690, that added together give a palindrome (28299282).

The spelling of 25159228047690 in words is "twenty-five trillion, one hundred fifty-nine billion, two hundred twenty-eight million, forty-seven thousand, six hundred ninety".