1161176013 has 32 divisors (see below), whose sum is σ = 1813683200. Its totient is φ = 732207600.

The previous prime is 1161176011. The next prime is 1161176017. The reversal of 1161176013 is 3106711611.

It is not a de Polignac number, because 1161176013 - 2¹ = 1161176011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161176011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414648 + ... + 417438.

It is an arithmetic number, because the mean of its divisors is an integer number (56677600).

Almost surely, 2^1161176013 is an apocalyptic number.

It is an amenable number.

1161176013 is a deficient number, since it is larger than the sum of its proper divisors (652507187).

1161176013 is a wasteful number, since it uses less digits than its factorization.

1161176013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1161176013 is about 34076.0328236724. The cubic root of 1161176013 is about 1051.0725285763.

Adding to 1161176013 its reverse (3106711611), we get a palindrome (4267887624).

The spelling of 1161176013 in words is "one billion, one hundred sixty-one million, one hundred seventy-six thousand, thirteen".