1121320611763 has 16 divisors (see below), whose sum is σ = 1242180824832. Its totient is φ = 1003653252000.

The previous prime is 1121320611751. The next prime is 1121320611769. The reversal of 1121320611763 is 3671160231211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121320611763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121320611769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406893 + ... + 1551838.

It is an arithmetic number, because the mean of its divisors is an integer number (77636301552).

Almost surely, 2^{1121320611763} is an apocalyptic number.

1121320611763 is a deficient number, since it is larger than the sum of its proper divisors (120860213069).

1121320611763 is a wasteful number, since it uses less digits than its factorization.

1121320611763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959546.

The product of its (nonzero) digits is 9072, while the sum is 34.

Adding to 1121320611763 its reverse (3671160231211), we get a palindrome (4792480842974).

The spelling of 1121320611763 in words is "one trillion, one hundred twenty-one billion, three hundred twenty million, six hundred eleven thousand, seven hundred sixty-three".