1155513152 has 14 divisors (see below), whose sum is σ = 2292971538. Its totient is φ = 577756544.

The previous prime is 1155513133. The next prime is 1155513167. The reversal of 1155513152 is 2513155511.

It can be written as a sum of positive squares in only one way, i.e., 1149481216 + 6031936 = 33904^2 + 2456^2 .

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, 9027383 + ... + 9027510.

Almost surely, 2^1155513152 is an apocalyptic number.

It is an amenable number.

1155513152 is a deficient number, since it is larger than the sum of its proper divisors (1137458386).

1155513152 is an equidigital number, since it uses as much as digits as its factorization.

1155513152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18054905 (or 18054895 counting only the distinct ones).

The product of its digits is 3750, while the sum is 29.

The square root of 1155513152 is about 33992.8397166227. The cubic root of 1155513152 is about 1049.3611085371.

Adding to 1155513152 its reverse (2513155511), we get a palindrome (3668668663).

The spelling of 1155513152 in words is "one billion, one hundred fifty-five million, five hundred thirteen thousand, one hundred fifty-two".