100536661919 has 2 divisors, whose sum is σ = 100536661920. Its totient is φ = 100536661918.

The previous prime is 100536661903. The next prime is 100536661943. The reversal of 100536661919 is 919166635001.

It is a weak prime.

It is an emirp because it is prime and its reverse (919166635001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100536661919 - 2⁴ = 100536661903 is a prime.

It is a super-2 number, since 2×100536661919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100536661219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50268330959 + 50268330960.

It is an arithmetic number, because the mean of its divisors is an integer number (50268330960).

Almost surely, 2^100536661919 is an apocalyptic number.

100536661919 is a deficient number, since it is larger than the sum of its proper divisors (1).

100536661919 is an equidigital number, since it uses as much as digits as its factorization.

100536661919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 47.

The spelling of 100536661919 in words is "one hundred billion, five hundred thirty-six million, six hundred sixty-one thousand, nine hundred nineteen".