12115070111 has 24 divisors (see below), whose sum is σ = 13617848304. Its totient is φ = 10738909440.

The previous prime is 12115070059. The next prime is 12115070119. The reversal of 12115070111 is 11107051121.

It is a de Polignac number, because none of the positive numbers 2^k-12115070111 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 (12115070119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1055996 + ... + 1067406.

It is an arithmetic number, because the mean of its divisors is an integer number (567410346).

Almost surely, 2^12115070111 is an apocalyptic number.

12115070111 is a deficient number, since it is larger than the sum of its proper divisors (1502778193).

12115070111 is a wasteful number, since it uses less digits than its factorization.

12115070111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639 (or 11620 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 20.

The spelling of 12115070111 in words is "twelve billion, one hundred fifteen million, seventy thousand, one hundred eleven".