1155114999 has 10 divisors (see below), whose sum is σ = 1725542280. Its totient is φ = 770076612.

The previous prime is 1155114973. The next prime is 1155115001. The reversal of 1155114999 is 9994115511.

It is a happy number.

1155114999 is a `hidden beast` number, since 1 + 1 + 5 + 511 + 49 + 99 = 666.

It is not a de Polignac number, because 1155114999 - 2¹¹ = 1155112951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155114959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7130259 + ... + 7130420.

It is an arithmetic number, because the mean of its divisors is an integer number (172554228).

Almost surely, 2^1155114999 is an apocalyptic number.

1155114999 is a deficient number, since it is larger than the sum of its proper divisors (570427281).

1155114999 is an equidigital number, since it uses as much as digits as its factorization.

1155114999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14260691 (or 14260682 counting only the distinct ones).

The product of its digits is 72900, while the sum is 45.

The square root of 1155114999 is about 33986.9827875321. The cubic root of 1155114999 is about 1049.2405692282.

The spelling of 1155114999 in words is "one billion, one hundred fifty-five million, one hundred fourteen thousand, nine hundred ninety-nine".