108997787411 has 4 divisors (see below), whose sum is σ = 109692040992. Its totient is φ = 108303533832.

The previous prime is 108997787363. The next prime is 108997787413. The reversal of 108997787411 is 114787799801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114787799801 = 9041 ⋅12696361.

It is a cyclic number.

It is not a de Polignac number, because 108997787411 - 2¹⁴ = 108997771027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108997787413) 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, 347126555 + ... + 347126868.

It is an arithmetic number, because the mean of its divisors is an integer number (27423010248).

Almost surely, 2^108997787411 is an apocalyptic number.

108997787411 is a deficient number, since it is larger than the sum of its proper divisors (694253581).

108997787411 is an equidigital number, since it uses as much as digits as its factorization.

108997787411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694253580.

The product of its (nonzero) digits is 7112448, while the sum is 62.

The spelling of 108997787411 in words is "one hundred eight billion, nine hundred ninety-seven million, seven hundred eighty-seven thousand, four hundred eleven".