1151103800 has 96 divisors (see below), whose sum is σ = 3336750720. Its totient is φ = 358780800.

The previous prime is 1151103791. The next prime is 1151103817. The reversal of 1151103800 is 83011511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21974 + ... + 52773.

It is an arithmetic number, because the mean of its divisors is an integer number (34757820).

Almost surely, 2^1151103800 is an apocalyptic number.

1151103800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151103800 is an abundant number, since it is smaller than the sum of its proper divisors (2185646920).

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

1151103800 is a wasteful number, since it uses less digits than its factorization.

1151103800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74781 (or 74772 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 1151103800 is about 33927.9206554130. The cubic root of 1151103800 is about 1048.0246459056.

The spelling of 1151103800 in words is "one billion, one hundred fifty-one million, one hundred three thousand, eight hundred".