1156461056 has 20 divisors (see below), whose sum is σ = 2310664422. Its totient is φ = 578230272.

The previous prime is 1156461037. The next prime is 1156461077. The reversal of 1156461056 is 6501646511.

It can be written as a sum of positive squares in only one way, i.e., 948640000 + 207821056 = 30800^2 + 14416^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128845 + ... + 1129868.

Almost surely, 2^1156461056 is an apocalyptic number.

1156461056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1156461056 is a deficient number, since it is larger than the sum of its proper divisors (1154203366).

1156461056 is an frugal number, since it uses more digits than its factorization.

1156461056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258731 (or 2258715 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1156461056 is about 34006.7795593761. The cubic root of 1156461056 is about 1049.6479714838.

The spelling of 1156461056 in words is "one billion, one hundred fifty-six million, four hundred sixty-one thousand, fifty-six".