1116554223401 has 4 divisors (see below), whose sum is σ = 1146731364612. Its totient is φ = 1086377082192.

The previous prime is 1116554223397. The next prime is 1116554223419. The reversal of 1116554223401 is 1043224556111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 719180322025 + 397373901376 = 848045^2 + 630376^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116554223401 - 2² = 1116554223397 is a prime.

It is a super-2 number, since 2×1116554223401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116554223431) 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 3 ways as a sum of consecutive naturals, for example, 15088570550 + ... + 15088570623.

It is an arithmetic number, because the mean of its divisors is an integer number (286682841153).

Almost surely, 2^{1116554223401} is an apocalyptic number.

It is an amenable number.

1116554223401 is a deficient number, since it is larger than the sum of its proper divisors (30177141211).

1116554223401 is an equidigital number, since it uses as much as digits as its factorization.

1116554223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30177141210.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 1116554223401 its reverse (1043224556111), we get a palindrome (2159778779512).

The spelling of 1116554223401 in words is "one trillion, one hundred sixteen billion, five hundred fifty-four million, two hundred twenty-three thousand, four hundred one".