1151112120 has 32 divisors (see below), whose sum is σ = 3453336720. Its totient is φ = 306963200.

The previous prime is 1151112113. The next prime is 1151112121. The reversal of 1151112120 is 212111511.

It is a super-2 number, since 2×1151112120² = 2650118225621788800, which contains 22 as substring.

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 1151112120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151112121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4796181 + ... + 4796420.

Almost surely, 2^1151112120 is an apocalyptic number.

1151112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151112120 is an abundant number, since it is smaller than the sum of its proper divisors (2302224600).

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

1151112120 is a wasteful number, since it uses less digits than its factorization.

1151112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592615 (or 9592611 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 1151112120 is about 33928.0432680696. The cubic root of 1151112120 is about 1048.0271708862.

Adding to 1151112120 its reverse (212111511), we get a palindrome (1363223631).

The spelling of 1151112120 in words is "one billion, one hundred fifty-one million, one hundred twelve thousand, one hundred twenty".