1151112252 has 48 divisors (see below), whose sum is σ = 2718535680. Its totient is φ = 379072512.

The previous prime is 1151112229. The next prime is 1151112271. The reversal of 1151112252 is 2522111511.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 390199 + ... + 393137.

It is an arithmetic number, because the mean of its divisors is an integer number (56636160).

Almost surely, 2^1151112252 is an apocalyptic number.

1151112252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151112252 is an abundant number, since it is smaller than the sum of its proper divisors (1567423428).

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

1151112252 is a wasteful number, since it uses less digits than its factorization.

1151112252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3328 counting only the distinct ones).

The product of its digits is 200, while the sum is 21.

The square root of 1151112252 is about 33928.0452133629. The cubic root of 1151112252 is about 1048.0272109459.

Adding to 1151112252 its reverse (2522111511), we get a palindrome (3673223763).

The spelling of 1151112252 in words is "one billion, one hundred fifty-one million, one hundred twelve thousand, two hundred fifty-two".