1151512252 has 24 divisors (see below), whose sum is σ = 2314045440. Its totient is φ = 495866160.

The previous prime is 1151512249. The next prime is 1151512253. The reversal of 1151512252 is 2522151511.

It is a happy number.

It is a super-2 number, since 2×1151512252² = 2651960933012223008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151512253) 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, 687868 + ... + 689539.

It is an arithmetic number, because the mean of its divisors is an integer number (96418560).

Almost surely, 2^1151512252 is an apocalyptic number.

It is an amenable number.

1151512252 is an abundant number, since it is smaller than the sum of its proper divisors (1162533188).

1151512252 is a wasteful number, since it uses less digits than its factorization.

1151512252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377441 (or 1377439 counting only the distinct ones).

The product of its digits is 1000, while the sum is 25.

The square root of 1151512252 is about 33933.9395296214. The cubic root of 1151512252 is about 1048.1485898805.

Adding to 1151512252 its reverse (2522151511), we get a palindrome (3673663763).

The spelling of 1151512252 in words is "one billion, one hundred fifty-one million, five hundred twelve thousand, two hundred fifty-two".