25155144112 has 30 divisors (see below), whose sum is σ = 56695332948. Its totient is φ = 10780775712.

The previous prime is 25155144101. The next prime is 25155144169. The reversal of 25155144112 is 21144155152.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16042038 + ... + 16043605.

Almost surely, 2^25155144112 is an apocalyptic number.

It is an amenable number.

25155144112 is an abundant number, since it is smaller than the sum of its proper divisors (31540188836).

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

25155144112 is a wasteful number, since it uses less digits than its factorization.

25155144112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32085665 (or 32085652 counting only the distinct ones).

The product of its digits is 8000, while the sum is 31.

Adding to 25155144112 its reverse (21144155152), we get a palindrome (46299299264).

The spelling of 25155144112 in words is "twenty-five billion, one hundred fifty-five million, one hundred forty-four thousand, one hundred twelve".