1115505112 has 16 divisors (see below), whose sum is σ = 2095737840. Its totient is φ = 556641696.

The previous prime is 1115505103. The next prime is 1115505113. The reversal of 1115505112 is 2115055111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115505113) 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, 134583 + ... + 142630.

It is an arithmetic number, because the mean of its divisors is an integer number (130983615).

Almost surely, 2^1115505112 is an apocalyptic number.

It is an amenable number.

1115505112 is a deficient number, since it is larger than the sum of its proper divisors (980232728).

1115505112 is a wasteful number, since it uses less digits than its factorization.

1115505112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277722 (or 277718 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 22.

The square root of 1115505112 is about 33399.1783132460. The cubic root of 1115505112 is about 1037.1076910714.

The spelling of 1115505112 in words is "one billion, one hundred fifteen million, five hundred five thousand, one hundred twelve".