26851854866100 has 144 divisors (see below), whose sum is σ = 88439184529920. Its totient is φ = 6226517052800.

The previous prime is 26851854866071. The next prime is 26851854866129. The reversal of 26851854866100 is 166845815862.

It is an interprime number because it is at equal distance from previous prime (26851854866071) and next prime (26851854866129).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176813790 + ... + 176965589.

It is an arithmetic number, because the mean of its divisors is an integer number (614161003680).

Almost surely, 2^{26851854866100} is an apocalyptic number.

26851854866100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26851854866100 is an abundant number, since it is smaller than the sum of its proper divisors (61587329663820).

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

26851854866100 is a wasteful number, since it uses less digits than its factorization.

26851854866100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353779430 (or 353779423 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 60.

The spelling of 26851854866100 in words is "twenty-six trillion, eight hundred fifty-one billion, eight hundred fifty-four million, eight hundred sixty-six thousand, one hundred".