1155964116 has 12 divisors (see below), whose sum is σ = 2697249632. Its totient is φ = 385321368.

The previous prime is 1155964111. The next prime is 1155964211. The reversal of 1155964116 is 6114695511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1155964116² = 2672506074959322912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155964111) 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, 48165160 + ... + 48165183.

Almost surely, 2^1155964116 is an apocalyptic number.

It is an amenable number.

1155964116 is an abundant number, since it is smaller than the sum of its proper divisors (1541285516).

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

1155964116 is a wasteful number, since it uses less digits than its factorization.

1155964116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96330350 (or 96330348 counting only the distinct ones).

The product of its digits is 32400, while the sum is 39.

The square root of 1155964116 is about 33999.4722900224. The cubic root of 1155964116 is about 1049.4976027384.

The spelling of 1155964116 in words is "one billion, one hundred fifty-five million, nine hundred sixty-four thousand, one hundred sixteen".