100505105050555 has 8 divisors (see below), whose sum is σ = 120609336713472. Its totient is φ = 80401943605248.

The previous prime is 100505105050523. The next prime is 100505105050561. The reversal of 100505105050555 is 555050501505001.

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 100505105050555 - 2⁵ = 100505105050523 is a prime.

It is a super-2 number, since 2×100505105050555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian 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, 267347782 + ... + 267723451.

It is an arithmetic number, because the mean of its divisors is an integer number (15076167089184).

Almost surely, 2^{100505105050555} is an apocalyptic number.

100505105050555 is a deficient number, since it is larger than the sum of its proper divisors (20104231662917).

100505105050555 is an equidigital number, since it uses as much as digits as its factorization.

100505105050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535108805.

The product of its (nonzero) digits is 78125, while the sum is 37.

Adding to 100505105050555 its reverse (555050501505001), we get a palindrome (655555606555556).

The spelling of 100505105050555 in words is "one hundred trillion, five hundred five billion, one hundred five million, fifty thousand, five hundred fifty-five".