1156561352 has 8 divisors (see below), whose sum is σ = 2168552550. Its totient is φ = 578280672.

The previous prime is 1156561321. The next prime is 1156561363. The reversal of 1156561352 is 2531656511.

It can be written as a sum of positive squares in only one way, i.e., 1154232676 + 2328676 = 33974^2 + 1526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72285077 + ... + 72285092.

Almost surely, 2^1156561352 is an apocalyptic number.

It is an amenable number.

1156561352 is a deficient number, since it is larger than the sum of its proper divisors (1011991198).

1156561352 is a wasteful number, since it uses less digits than its factorization.

1156561352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144570175 (or 144570171 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The square root of 1156561352 is about 34008.2541745383. The cubic root of 1156561352 is about 1049.6783147595.

The spelling of 1156561352 in words is "one billion, one hundred fifty-six million, five hundred sixty-one thousand, three hundred fifty-two".