1156113446 has 16 divisors (see below), whose sum is σ = 1814248800. Its totient is φ = 551493888.

The previous prime is 1156113443. The next prime is 1156113451. The reversal of 1156113446 is 6443116511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156113443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14411 + ... + 50198.

It is an arithmetic number, because the mean of its divisors is an integer number (113390550).

Almost surely, 2^1156113446 is an apocalyptic number.

1156113446 is a deficient number, since it is larger than the sum of its proper divisors (658135354).

1156113446 is a wasteful number, since it uses less digits than its factorization.

1156113446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65023.

The product of its digits is 8640, while the sum is 32.

The square root of 1156113446 is about 34001.6682826005. The cubic root of 1156113446 is about 1049.5427929327.

Adding to 1156113446 its reverse (6443116511), we get a palindrome (7599229957).

The spelling of 1156113446 in words is "one billion, one hundred fifty-six million, one hundred thirteen thousand, four hundred forty-six".