100641040045 has 16 divisors (see below), whose sum is σ = 148639075200. Its totient is φ = 63702460224.

The previous prime is 100641040021. The next prime is 100641040061. The reversal of 100641040045 is 540040146001.

It is not a de Polignac number, because 100641040045 - 2¹³ = 100641031853 is a prime.

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, 110594095 + ... + 110595004.

It is an arithmetic number, because the mean of its divisors is an integer number (9289942200).

Almost surely, 2^100641040045 is an apocalyptic number.

It is an amenable number.

100641040045 is a deficient number, since it is larger than the sum of its proper divisors (47998035155).

100641040045 is a wasteful number, since it uses less digits than its factorization.

100641040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221189124.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 100641040045 its reverse (540040146001), we get a palindrome (640681186046).

The spelling of 100641040045 in words is "one hundred billion, six hundred forty-one million, forty thousand, forty-five".