100805580786355 has 8 divisors (see below), whose sum is σ = 120978269444592. Its totient is φ = 80636749628448.

The previous prime is 100805580786349. The next prime is 100805580786409. The reversal of 100805580786355 is 553687085508001.

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 100805580786355 - 2⁹ = 100805580785843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100805580786293 and 100805580786302.

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, 964317589 + ... + 964422118.

It is an arithmetic number, because the mean of its divisors is an integer number (15122283680574).

Almost surely, 2^{100805580786355} is an apocalyptic number.

100805580786355 is a deficient number, since it is larger than the sum of its proper divisors (20172688658237).

100805580786355 is a wasteful number, since it uses less digits than its factorization.

100805580786355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928750165.

The product of its (nonzero) digits is 40320000, while the sum is 61.

The spelling of 100805580786355 in words is "one hundred trillion, eight hundred five billion, five hundred eighty million, seven hundred eighty-six thousand, three hundred fifty-five".