1151113120 has 48 divisors (see below), whose sum is σ = 2722906368. Its totient is φ = 459869440.

The previous prime is 1151113087. The next prime is 1151113151. The reversal of 1151113120 is 213111511.

It is a happy number.

It is a super-2 number, since 2×1151113120² = 2650122830072268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1151113094 and 1151113103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137865 + ... + 145975.

It is an arithmetic number, because the mean of its divisors is an integer number (56727216).

Almost surely, 2^1151113120 is an apocalyptic number.

1151113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151113120 is an abundant number, since it is smaller than the sum of its proper divisors (1571793248).

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

1151113120 is an equidigital number, since it uses as much as digits as its factorization.

1151113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9013 (or 9005 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1151113120 is about 33928.0580051379. The cubic root of 1151113120 is about 1048.0274743686.

Adding to 1151113120 its reverse (213111511), we get a palindrome (1364224631).

The spelling of 1151113120 in words is "one billion, one hundred fifty-one million, one hundred thirteen thousand, one hundred twenty".