1151565332 has 6 divisors (see below), whose sum is σ = 2015239338. Its totient is φ = 575782664.

The previous prime is 1151565313. The next prime is 1151565341. The reversal of 1151565332 is 2335651511.

It can be written as a sum of positive squares in only one way, i.e., 967583236 + 183982096 = 31106^2 + 13564^2 .

It is a super-2 number, since 2×1151565332² = 2652205427728540448, 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, 143945663 + ... + 143945670.

It is an arithmetic number, because the mean of its divisors is an integer number (335873223).

Almost surely, 2^1151565332 is an apocalyptic number.

It is an amenable number.

1151565332 is a deficient number, since it is larger than the sum of its proper divisors (863674006).

1151565332 is a wasteful number, since it uses less digits than its factorization.

1151565332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287891337 (or 287891335 counting only the distinct ones).

The product of its digits is 13500, while the sum is 32.

The square root of 1151565332 is about 33934.7216284442. The cubic root of 1151565332 is about 1048.1646947526.

The spelling of 1151565332 in words is "one billion, one hundred fifty-one million, five hundred sixty-five thousand, three hundred thirty-two".