22153311525 has 12 divisors (see below), whose sum is σ = 36626808512. Its totient is φ = 11815099440.

The previous prime is 22153311517. The next prime is 22153311553. The reversal of 22153311525 is 52511335122.

It is not a de Polignac number, because 22153311525 - 2³ = 22153311517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22153311492 and 22153311501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147688669 + ... + 147688818.

Almost surely, 2^22153311525 is an apocalyptic number.

22153311525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22153311525 is a deficient number, since it is larger than the sum of its proper divisors (14473496987).

22153311525 is a wasteful number, since it uses less digits than its factorization.

22153311525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295377500 (or 295377495 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

Adding to 22153311525 its reverse (52511335122), we get a palindrome (74664646647).

The spelling of 22153311525 in words is "twenty-two billion, one hundred fifty-three million, three hundred eleven thousand, five hundred twenty-five".