25622365136 has 20 divisors (see below), whose sum is σ = 49841122464. Its totient is φ = 12760140000.

The previous prime is 25622365129. The next prime is 25622365159. The reversal of 25622365136 is 63156322652.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25622365093 and 25622365102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3186020 + ... + 3194051.

Almost surely, 2^25622365136 is an apocalyptic number.

It is an amenable number.

25622365136 is a deficient number, since it is larger than the sum of its proper divisors (24218757328).

25622365136 is a wasteful number, since it uses less digits than its factorization.

25622365136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380330 (or 6380324 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

Adding to 25622365136 its reverse (63156322652), we get a palindrome (88778687788).

The spelling of 25622365136 in words is "twenty-five billion, six hundred twenty-two million, three hundred sixty-five thousand, one hundred thirty-six".