100421745860055 has 8 divisors (see below), whose sum is σ = 160674793376112. Its totient is φ = 53558264458688.

The previous prime is 100421745860039. The next prime is 100421745860071. The reversal of 100421745860055 is 550068547124001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100421745860039) and next prime (100421745860071).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100421745860055 - 2⁴ = 100421745860039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100421745859986 and 100421745860013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347391528654 + ... + 3347391528683.

It is an arithmetic number, because the mean of its divisors is an integer number (20084349172014).

Almost surely, 2^{100421745860055} is an apocalyptic number.

100421745860055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100421745860055 is a deficient number, since it is larger than the sum of its proper divisors (60253047516057).

100421745860055 is an equidigital number, since it uses as much as digits as its factorization.

100421745860055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694783057345.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 100421745860055 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred sixty thousand, fifty-five".