1131116012 has 48 divisors (see below), whose sum is σ = 2261236320. Its totient is φ = 490447872.

The previous prime is 1131116009. The next prime is 1131116023. The reversal of 1131116012 is 2106111311.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774539 + ... + 775997.

It is an arithmetic number, because the mean of its divisors is an integer number (47109090).

Almost surely, 2^1131116012 is an apocalyptic number.

It is an amenable number.

1131116012 is a deficient number, since it is larger than the sum of its proper divisors (1130120308).

1131116012 is a wasteful number, since it uses less digits than its factorization.

1131116012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1131116012 is about 33632.0682087795. The cubic root of 1131116012 is about 1041.9232201388.

Adding to 1131116012 its reverse (2106111311), we get a palindrome (3237227323).

The spelling of 1131116012 in words is "one billion, one hundred thirty-one million, one hundred sixteen thousand, twelve".