1164061155 has 8 divisors (see below), whose sum is σ = 1862497872. Its totient is φ = 620832608.

The previous prime is 1164061141. The next prime is 1164061177. The reversal of 1164061155 is 5511604611.

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 1164061155 - 2⁵ = 1164061123 is a prime.

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, 38802024 + ... + 38802053.

It is an arithmetic number, because the mean of its divisors is an integer number (232812234).

Almost surely, 2^1164061155 is an apocalyptic number.

1164061155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1164061155 is a deficient number, since it is larger than the sum of its proper divisors (698436717).

1164061155 is an equidigital number, since it uses as much as digits as its factorization.

1164061155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77604085.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1164061155 is about 34118.3404490898. The cubic root of 1164061155 is about 1051.9423322179.

Adding to 1164061155 its reverse (5511604611), we get a palindrome (6675665766).

The spelling of 1164061155 in words is "one billion, one hundred sixty-four million, sixty-one thousand, one hundred fifty-five".