1150111312 has 20 divisors (see below), whose sum is σ = 2546675296. Its totient is φ = 492904800.

The previous prime is 1150111307. The next prime is 1150111327. The reversal of 1150111312 is 2131110511.

It is a happy number.

It is a super-2 number, since 2×1150111312² = 2645512059980722688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5134314 + ... + 5134537.

Almost surely, 2^1150111312 is an apocalyptic number.

It is an amenable number.

1150111312 is an abundant number, since it is smaller than the sum of its proper divisors (1396563984).

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

1150111312 is a wasteful number, since it uses less digits than its factorization.

1150111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268866 (or 10268860 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1150111312 is about 33913.2910818163. The cubic root of 1150111312 is about 1047.7233551012.

Adding to 1150111312 its reverse (2131110511), we get a palindrome (3281221823).

The spelling of 1150111312 in words is "one billion, one hundred fifty million, one hundred eleven thousand, three hundred twelve".