11100111115 has 8 divisors (see below), whose sum is σ = 13389873408. Its totient is φ = 8833595520.

The previous prime is 11100111101. The next prime is 11100111151. The reversal of 11100111115 is 51111100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11100111115 - 2⁹ = 11100110603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100111095 and 11100111104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5810622 + ... + 5812531.

It is an arithmetic number, because the mean of its divisors is an integer number (1673734176).

Almost surely, 2^11100111115 is an apocalyptic number.

11100111115 is a deficient number, since it is larger than the sum of its proper divisors (2289762293).

11100111115 is a wasteful number, since it uses less digits than its factorization.

11100111115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11623349.

The product of its (nonzero) digits is 5, while the sum is 13.

Adding to 11100111115 its reverse (51111100111), we get a palindrome (62211211226).

The spelling of 11100111115 in words is "eleven billion, one hundred million, one hundred eleven thousand, one hundred fifteen".