641101100255 has 16 divisors (see below), whose sum is σ = 959153854464. Its totient is φ = 399647438880.

The previous prime is 641101100183. The next prime is 641101100267. The reversal of 641101100255 is 552001101146.

It is not a de Polignac number, because 641101100255 - 2²⁴ = 641084323039 is a prime.

It is a super-2 number, since 2×641101100255² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832598447 + ... + 832599216.

It is an arithmetic number, because the mean of its divisors is an integer number (59947115904).

Almost surely, 2^641101100255 is an apocalyptic number.

641101100255 is a deficient number, since it is larger than the sum of its proper divisors (318052754209).

641101100255 is a wasteful number, since it uses less digits than its factorization.

641101100255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665197686.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 641101100255 in words is "six hundred forty-one billion, one hundred one million, one hundred thousand, two hundred fifty-five".