1150055155 has 8 divisors (see below), whose sum is σ = 1387217952. Its totient is φ = 915276288.

The previous prime is 1150055149. The next prime is 1150055171. The reversal of 1150055155 is 5515500511.

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 1150055155 - 2⁹ = 1150054643 is a prime.

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, 594919 + ... + 596848.

It is an arithmetic number, because the mean of its divisors is an integer number (173402244).

Almost surely, 2^1150055155 is an apocalyptic number.

1150055155 is a deficient number, since it is larger than the sum of its proper divisors (237162797).

1150055155 is a wasteful number, since it uses less digits than its factorization.

1150055155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191965.

The product of its (nonzero) digits is 3125, while the sum is 28.

The square root of 1150055155 is about 33912.4631219851. The cubic root of 1150055155 is about 1047.7063022712.

Adding to 1150055155 its reverse (5515500511), we get a palindrome (6665555666).

The spelling of 1150055155 in words is "one billion, one hundred fifty million, fifty-five thousand, one hundred fifty-five".