25320555012198 has 16 divisors (see below), whose sum is σ = 52009788674160. Its totient is φ = 8212071895776.

The previous prime is 25320555012197. The next prime is 25320555012199. The reversal of 25320555012198 is 89121055502352.

It is an interprime number because it is at equal distance from previous prime (25320555012197) and next prime (25320555012199).

It is a super-3 number, since 3×25320555012198³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25320555012197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57028276833 + ... + 57028277276.

It is an arithmetic number, because the mean of its divisors is an integer number (3250611792135).

Almost surely, 2^{25320555012198} is an apocalyptic number.

25320555012198 is an abundant number, since it is smaller than the sum of its proper divisors (26689233661962).

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

25320555012198 is a wasteful number, since it uses less digits than its factorization.

25320555012198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114056554151.

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 25320555012198 in words is "twenty-five trillion, three hundred twenty billion, five hundred fifty-five million, twelve thousand, one hundred ninety-eight".