100552643583 has 12 divisors (see below), whose sum is σ = 155959202520. Its totient is φ = 57458653392.

The previous prime is 100552643563. The next prime is 100552643599. The reversal of 100552643583 is 385346255001.

It is not a de Polignac number, because 100552643583 - 2⁵ = 100552643551 is a prime.

It is a super-2 number, since 2×100552643583² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100552643533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342015648 + ... + 342015941.

It is an arithmetic number, because the mean of its divisors is an integer number (12996600210).

Almost surely, 2^100552643583 is an apocalyptic number.

100552643583 is a deficient number, since it is larger than the sum of its proper divisors (55406558937).

100552643583 is an equidigital number, since it uses as much as digits as its factorization.

100552643583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684031606 (or 684031599 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 100552643583 its reverse (385346255001), we get a palindrome (485898898584).

The spelling of 100552643583 in words is "one hundred billion, five hundred fifty-two million, six hundred forty-three thousand, five hundred eighty-three".