1152111100 has 36 divisors (see below), whose sum is σ = 2857237264. Its totient is φ = 395009280.

The previous prime is 1152111089. The next prime is 1152111133. The reversal of 1152111100 is 11112511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822237 + ... + 823636.

Almost surely, 2^1152111100 is an apocalyptic number.

1152111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152111100 is an abundant number, since it is smaller than the sum of its proper divisors (1705126164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1152111100 is a wasteful number, since it uses less digits than its factorization.

1152111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645894 (or 1645887 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1152111100 is about 33942.7621150666. The cubic root of 1152111100 is about 1048.3302561800.

Adding to 1152111100 its reverse (11112511), we get a palindrome (1163223611).

The spelling of 1152111100 in words is "one billion, one hundred fifty-two million, one hundred eleven thousand, one hundred".