1161056116 has 12 divisors (see below), whose sum is σ = 2216561760. Its totient is φ = 527752760.

The previous prime is 1161056059. The next prime is 1161056131. The reversal of 1161056116 is 6116501611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13193776 + ... + 13193863.

It is an arithmetic number, because the mean of its divisors is an integer number (184713480).

Almost surely, 2^1161056116 is an apocalyptic number.

It is an amenable number.

1161056116 is a deficient number, since it is larger than the sum of its proper divisors (1055505644).

1161056116 is a wasteful number, since it uses less digits than its factorization.

1161056116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26387654 (or 26387652 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 1161056116 is about 34074.2735212359. The cubic root of 1161056116 is about 1051.0363512356.

Adding to 1161056116 its reverse (6116501611), we get a palindrome (7277557727).

It can be divided in two parts, 116105 and 6116, that added together give a palindrome (122221).

The spelling of 1161056116 in words is "one billion, one hundred sixty-one million, fifty-six thousand, one hundred sixteen".