1131552412 has 6 divisors (see below), whose sum is σ = 1980216728. Its totient is φ = 565776204.

The previous prime is 1131552377. The next prime is 1131552449. The reversal of 1131552412 is 2142551311.

It is a super-2 number, since 2×1131552412² = 2560821722206035488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141444048 + ... + 141444055.

Almost surely, 2^1131552412 is an apocalyptic number.

It is an amenable number.

1131552412 is a deficient number, since it is larger than the sum of its proper divisors (848664316).

1131552412 is a wasteful number, since it uses less digits than its factorization.

1131552412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282888107 (or 282888105 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1131552412 is about 33638.5554386629. Note that the first 3 decimals coincide. The cubic root of 1131552412 is about 1042.0571989777.

The spelling of 1131552412 in words is "one billion, one hundred thirty-one million, five hundred fifty-two thousand, four hundred twelve".