26251121140 has 48 divisors (see below), whose sum is σ = 55403175744. Its totient is φ = 10448000000.

The previous prime is 26251121131. The next prime is 26251121161. The reversal of 26251121140 is 4112115262.

It is a super-2 number, since 2×26251121140² (a number of 22 digits) contains 22 as substring.

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, 6559140 + ... + 6563140.

It is an arithmetic number, because the mean of its divisors is an integer number (1154232828).

Almost surely, 2^26251121140 is an apocalyptic number.

26251121140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26251121140 is an abundant number, since it is smaller than the sum of its proper divisors (29152054604).

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

26251121140 is a wasteful number, since it uses less digits than its factorization.

26251121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 26251121140 in words is "twenty-six billion, two hundred fifty-one million, one hundred twenty-one thousand, one hundred forty".