25155514554112 has 18 divisors (see below), whose sum is σ = 50212765380008. Its totient is φ = 12577757276928.

The previous prime is 25155514554083. The next prime is 25155514554151. The reversal of 25155514554112 is 21145541555152.

It is a super-2 number, since 2×25155514554112² (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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49131864108 + ... + 49131864619.

Almost surely, 2^{25155514554112} is an apocalyptic number.

It is an amenable number.

25155514554112 is a deficient number, since it is larger than the sum of its proper divisors (25057250825896).

25155514554112 is an frugal number, since it uses more digits than its factorization.

25155514554112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98263728743 (or 98263728729 counting only the distinct ones).

The product of its digits is 1000000, while the sum is 46.

The spelling of 25155514554112 in words is "twenty-five trillion, one hundred fifty-five billion, five hundred fourteen million, five hundred fifty-four thousand, one hundred twelve".