11468361997 has 4 divisors (see below), whose sum is σ = 11481380316. Its totient is φ = 11455343680.

The previous prime is 11468361937. The next prime is 11468362007. The reversal of 11468361997 is 79916386411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79916386411 = 863 ⋅92602997.

It can be written as a sum of positive squares in 2 ways, for example, as 4057562601 + 7410799396 = 63699^2 + 86086^2 .

It is a cyclic number.

It is not a de Polignac number, because 11468361997 - 2⁷ = 11468361869 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 (11468361937) 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, 6507838 + ... + 6509599.

It is an arithmetic number, because the mean of its divisors is an integer number (2870345079).

Almost surely, 2^11468361997 is an apocalyptic number.

It is an amenable number.

11468361997 is a deficient number, since it is larger than the sum of its proper divisors (13018319).

11468361997 is an equidigital number, since it uses as much as digits as its factorization.

11468361997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018318.

The product of its digits is 1959552, while the sum is 55.

The spelling of 11468361997 in words is "eleven billion, four hundred sixty-eight million, three hundred sixty-one thousand, nine hundred ninety-seven".