1163722513 has 8 divisors (see below), whose sum is σ = 1214884800. Its totient is φ = 1112607408.

The previous prime is 1163722501. The next prime is 1163722517. The reversal of 1163722513 is 3152273611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163722513 - 2⁵ = 1163722481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163722517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44358 + ... + 65536.

It is an arithmetic number, because the mean of its divisors is an integer number (151860600).

Almost surely, 2^1163722513 is an apocalyptic number.

It is an amenable number.

1163722513 is a deficient number, since it is larger than the sum of its proper divisors (51162287).

1163722513 is a wasteful number, since it uses less digits than its factorization.

1163722513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23591.

The product of its digits is 7560, while the sum is 31.

The square root of 1163722513 is about 34113.3773320673. The cubic root of 1163722513 is about 1051.8403139795.

The spelling of 1163722513 in words is "one billion, one hundred sixty-three million, seven hundred twenty-two thousand, five hundred thirteen".