100100036293991 has 4 divisors (see below), whose sum is σ = 100100064991584. Its totient is φ = 100100007596400.

The previous prime is 100100036293967. The next prime is 100100036293993. The reversal of 100100036293991 is 199392630001001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100036293991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100036293993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8253590 + ... + 16380531.

It is an arithmetic number, because the mean of its divisors is an integer number (25025016247896).

Almost surely, 2^{100100036293991} is an apocalyptic number.

100100036293991 is a deficient number, since it is larger than the sum of its proper divisors (28697593).

100100036293991 is an equidigital number, since it uses as much as digits as its factorization.

100100036293991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28697592.

The product of its (nonzero) digits is 78732, while the sum is 44.

Adding to 100100036293991 its reverse (199392630001001), we get a palindrome (299492666294992).

The spelling of 100100036293991 in words is "one hundred trillion, one hundred billion, thirty-six million, two hundred ninety-three thousand, nine hundred ninety-one".