1164539155 has 8 divisors (see below), whose sum is σ = 1504942992. Its totient is φ = 859967328.

The previous prime is 1164539141. The next prime is 1164539177. The reversal of 1164539155 is 5519354611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1164539155 - 2⁹ = 1164538643 is a prime.

It is a super-2 number, since 2×1164539155² = 2712302887056228050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8957929 + ... + 8958058.

It is an arithmetic number, because the mean of its divisors is an integer number (188117874).

Almost surely, 2^1164539155 is an apocalyptic number.

1164539155 is a deficient number, since it is larger than the sum of its proper divisors (340403837).

1164539155 is a wasteful number, since it uses less digits than its factorization.

1164539155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916005.

The product of its digits is 81000, while the sum is 40.

The square root of 1164539155 is about 34125.3447601632. The cubic root of 1164539155 is about 1052.0862993462.

The spelling of 1164539155 in words is "one billion, one hundred sixty-four million, five hundred thirty-nine thousand, one hundred fifty-five".