1152031155 has 32 divisors (see below), whose sum is σ = 2018055168. Its totient is φ = 556550400.

The previous prime is 1152031151. The next prime is 1152031169. The reversal of 1152031155 is 5511302511.

It is not a de Polignac number, because 1152031155 - 2² = 1152031151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152031151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33942 + ... + 58788.

It is an arithmetic number, because the mean of its divisors is an integer number (63064224).

Almost surely, 2^1152031155 is an apocalyptic number.

1152031155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1152031155 is a deficient number, since it is larger than the sum of its proper divisors (866024013).

1152031155 is a wasteful number, since it uses less digits than its factorization.

1152031155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1152031155 is about 33941.5844503465. The cubic root of 1152031155 is about 1048.3060077370.

Adding to 1152031155 its reverse (5511302511), we get a palindrome (6663333666).

The spelling of 1152031155 in words is "one billion, one hundred fifty-two million, thirty-one thousand, one hundred fifty-five".