1151103120 has 160 divisors (see below), whose sum is σ = 3705191424. Its totient is φ = 295411200.

The previous prime is 1151103091. The next prime is 1151103137. The reversal of 1151103120 is 213011511.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1151103120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731935 + ... + 733505.

Almost surely, 2^1151103120 is an apocalyptic number.

1151103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852595712).

1151103120 is an abundant number, since it is smaller than the sum of its proper divisors (2554088304).

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

1151103120 is a wasteful number, since it uses less digits than its factorization.

1151103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1151103120 is about 33927.9106341667. The cubic root of 1151103120 is about 1048.0244395365.

Adding to 1151103120 its reverse (213011511), we get a palindrome (1364114631).

The spelling of 1151103120 in words is "one billion, one hundred fifty-one million, one hundred three thousand, one hundred twenty".