100511209093 has 4 divisors (see below), whose sum is σ = 100610824780. Its totient is φ = 100411593408.

The previous prime is 100511209081. The next prime is 100511209121. The reversal of 100511209093 is 390902115001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43972831809 + 56538377284 = 209697^2 + 237778^2 .

It is a cyclic number.

It is not a de Polignac number, because 100511209093 - 2²⁵ = 100477654661 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 (100511209013) 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, 49806330 + ... + 49808347.

It is an arithmetic number, because the mean of its divisors is an integer number (25152706195).

Almost surely, 2^100511209093 is an apocalyptic number.

It is an amenable number.

100511209093 is a deficient number, since it is larger than the sum of its proper divisors (99615687).

100511209093 is an equidigital number, since it uses as much as digits as its factorization.

100511209093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99615686.

The product of its (nonzero) digits is 2430, while the sum is 31.

The spelling of 100511209093 in words is "one hundred billion, five hundred eleven million, two hundred nine thousand, ninety-three".