1156813106 has 16 divisors (see below), whose sum is σ = 1811766528. Its totient is φ = 552921600.

The previous prime is 1156813087. The next prime is 1156813171. The reversal of 1156813106 is 6013186511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79346 + ... + 92786.

It is an arithmetic number, because the mean of its divisors is an integer number (113235408).

Almost surely, 2^1156813106 is an apocalyptic number.

1156813106 is a deficient number, since it is larger than the sum of its proper divisors (654953422).

1156813106 is a wasteful number, since it uses less digits than its factorization.

1156813106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15337.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1156813106 is about 34011.9553392627. The cubic root of 1156813106 is about 1049.7544719940.

Adding to 1156813106 its reverse (6013186511), we get a palindrome (7169999617).

The spelling of 1156813106 in words is "one billion, one hundred fifty-six million, eight hundred thirteen thousand, one hundred six".