100056171601651 has 4 divisors (see below), whose sum is σ = 100143101378304. Its totient is φ = 99969241825000.

The previous prime is 100056171601609. The next prime is 100056171601717. The reversal of 100056171601651 is 156106171650001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100056171601651 - 2¹⁷ = 100056171470579 is a prime.

It is a super-2 number, since 2×100056171601651² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100056171605651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43464886600 + ... + 43464888901.

It is an arithmetic number, because the mean of its divisors is an integer number (25035775344576).

Almost surely, 2^{100056171601651} is an apocalyptic number.

100056171601651 is a deficient number, since it is larger than the sum of its proper divisors (86929776653).

100056171601651 is an equidigital number, since it uses as much as digits as its factorization.

100056171601651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86929776652.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 100056171601651 in words is "one hundred trillion, fifty-six billion, one hundred seventy-one million, six hundred one thousand, six hundred fifty-one".