25545224512 has 28 divisors (see below), whose sum is σ = 51165069120. Its totient is φ = 12653238656.

The previous prime is 25545224423. The next prime is 25545224533. The reversal of 25545224512 is 21542254552.

It is a super-3 number, since 3×25545224512³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858312 + ... + 1872007.

Almost surely, 2^25545224512 is an apocalyptic number.

It is an amenable number.

25545224512 is an abundant number, since it is smaller than the sum of its proper divisors (25619844608).

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

25545224512 is a wasteful number, since it uses less digits than its factorization.

25545224512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730438 (or 3730428 counting only the distinct ones).

The product of its digits is 160000, while the sum is 37.

The spelling of 25545224512 in words is "twenty-five billion, five hundred forty-five million, two hundred twenty-four thousand, five hundred twelve".