1111115112 has 32 divisors (see below), whose sum is σ = 2780865600. Its totient is φ = 369961344.

The previous prime is 1111115111. The next prime is 1111115149. The reversal of 1111115112 is 2115111111.

It is a super-2 number, since 2×1111115112² = 2469153584229545088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111115091 and 1111115100.

It is not an unprimeable number, because it can be changed into a prime (1111115111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133 + ... + 47244.

It is an arithmetic number, because the mean of its divisors is an integer number (86902050).

Almost surely, 2^1111115112 is an apocalyptic number.

1111115112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111115112 is an abundant number, since it is smaller than the sum of its proper divisors (1669750488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111115112 is a wasteful number, since it uses less digits than its factorization.

1111115112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51305 (or 51301 counting only the distinct ones).

The product of its digits is 10, while the sum is 15.

The square root of 1111115112 is about 33333.3933466126. The cubic root of 1111115112 is about 1035.7454118190.

Adding to 1111115112 its reverse (2115111111), we get a palindrome (3226226223).

The spelling of 1111115112 in words is "one billion, one hundred eleven million, one hundred fifteen thousand, one hundred twelve".