104418278261 has 16 divisors (see below), whose sum is σ = 114475690368. Its totient is φ = 94455552000.

The previous prime is 104418278221. The next prime is 104418278287. The reversal of 104418278261 is 162872814401.

It is a cyclic number.

It is not a de Polignac number, because 104418278261 - 2³⁰ = 103344536437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104418278221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4090640 + ... + 4116086.

It is an arithmetic number, because the mean of its divisors is an integer number (7154730648).

Almost surely, 2^104418278261 is an apocalyptic number.

104418278261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104418278261 is a deficient number, since it is larger than the sum of its proper divisors (10057412107).

104418278261 is a wasteful number, since it uses less digits than its factorization.

104418278261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27292.

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 104418278261 in words is "one hundred four billion, four hundred eighteen million, two hundred seventy-eight thousand, two hundred sixty-one".