25005022115512 has 16 divisors (see below), whose sum is σ = 47769028098840. Its totient is φ = 12266614622496.

The previous prime is 25005022115473. The next prime is 25005022115527. The reversal of 25005022115512 is 21551122050052.

It is a super-2 number, since 2×25005022115512² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29487053958 + ... + 29487054805.

Almost surely, 2^{25005022115512} is an apocalyptic number.

It is an amenable number.

25005022115512 is a deficient number, since it is larger than the sum of its proper divisors (22764005983328).

25005022115512 is a wasteful number, since it uses less digits than its factorization.

25005022115512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58974108822 (or 58974108818 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 25005022115512 its reverse (21551122050052), we get a palindrome (46556144165564).

The spelling of 25005022115512 in words is "twenty-five trillion, five billion, twenty-two million, one hundred fifteen thousand, five hundred twelve".