1163122216761 has 4 divisors (see below), whose sum is σ = 1550829622352. Its totient is φ = 775414811172.

The previous prime is 1163122216747. The next prime is 1163122216771. The reversal of 1163122216761 is 1676122213611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1163122216761 - 2¹¹ = 1163122214713 is a prime.

It is a super-2 number, since 2×1163122216761² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1163122216771) 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, 193853702791 + ... + 193853702796.

It is an arithmetic number, because the mean of its divisors is an integer number (387707405588).

Almost surely, 2^{1163122216761} is an apocalyptic number.

It is an amenable number.

1163122216761 is a deficient number, since it is larger than the sum of its proper divisors (387707405591).

1163122216761 is an equidigital number, since it uses as much as digits as its factorization.

1163122216761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387707405590.

The product of its digits is 36288, while the sum is 39.

The spelling of 1163122216761 in words is "one trillion, one hundred sixty-three billion, one hundred twenty-two million, two hundred sixteen thousand, seven hundred sixty-one".