1163539814399 has 16 divisors (see below), whose sum is σ = 1187797893120. Its totient is φ = 1139554141440.

The previous prime is 1163539814389. The next prime is 1163539814413. The reversal of 1163539814399 is 9934189353611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163539814399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163539814389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5217194 + ... + 5435640.

It is an arithmetic number, because the mean of its divisors is an integer number (74237368320).

Almost surely, 2^{1163539814399} is an apocalyptic number.

1163539814399 is a deficient number, since it is larger than the sum of its proper divisors (24258078721).

1163539814399 is a wasteful number, since it uses less digits than its factorization.

1163539814399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219070.

The product of its digits is 18895680, while the sum is 62.

The spelling of 1163539814399 in words is "one trillion, one hundred sixty-three billion, five hundred thirty-nine million, eight hundred fourteen thousand, three hundred ninety-nine".