11663400074 has 4 divisors (see below), whose sum is σ = 17495100114. Its totient is φ = 5831700036.

The previous prime is 11663400029. The next prime is 11663400083. The reversal of 11663400074 is 47000436611.

11663400074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 11662488049 + 912025 = 107993^2 + 955^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11663400074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915850017 + ... + 2915850020.

Almost surely, 2^11663400074 is an apocalyptic number.

11663400074 is a deficient number, since it is larger than the sum of its proper divisors (5831700040).

11663400074 is an equidigital number, since it uses as much as digits as its factorization.

11663400074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831700039.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 11663400074 its reverse (47000436611), we get a palindrome (58663836685).

The spelling of 11663400074 in words is "eleven billion, six hundred sixty-three million, four hundred thousand, seventy-four".