25555343000 has 64 divisors (see below), whose sum is σ = 65235849120. Its totient is φ = 9292848000.

The previous prime is 25555342997. The next prime is 25555343027. The reversal of 25555343000 is 34355552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150607 + ... + 1172606.

Almost surely, 2^25555343000 is an apocalyptic number.

25555343000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25555343000 is an abundant number, since it is smaller than the sum of its proper divisors (39680506120).

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

25555343000 is a wasteful number, since it uses less digits than its factorization.

25555343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323245 (or 2323231 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

Adding to 25555343000 its reverse (34355552), we get a palindrome (25589698552).

The spelling of 25555343000 in words is "twenty-five billion, five hundred fifty-five million, three hundred forty-three thousand".