1163621110363 has 4 divisors (see below), whose sum is σ = 1195070329600. Its totient is φ = 1132171891128.

The previous prime is 1163621110349. The next prime is 1163621110367. The reversal of 1163621110363 is 3630111263611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163621110363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163621110367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15724609563 + ... + 15724609636.

It is an arithmetic number, because the mean of its divisors is an integer number (298767582400).

Almost surely, 2^{1163621110363} is an apocalyptic number.

1163621110363 is a deficient number, since it is larger than the sum of its proper divisors (31449219237).

1163621110363 is an equidigital number, since it uses as much as digits as its factorization.

1163621110363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31449219236.

The product of its (nonzero) digits is 11664, while the sum is 34.

Adding to 1163621110363 its reverse (3630111263611), we get a palindrome (4793732373974).

The spelling of 1163621110363 in words is "one trillion, one hundred sixty-three billion, six hundred twenty-one million, one hundred ten thousand, three hundred sixty-three".