11554812394 has 8 divisors (see below), whose sum is σ = 17616353508. Its totient is φ = 5682694560.

The previous prime is 11554812389. The next prime is 11554812443. The reversal of 11554812394 is 49321845511.

11554812394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11553455169 + 1357225 = 107487^2 + 1165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11554812394² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11554812394.

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 in 3 ways as a sum of consecutive naturals, for example, 47355667 + ... + 47355910.

Almost surely, 2^11554812394 is an apocalyptic number.

11554812394 is a deficient number, since it is larger than the sum of its proper divisors (6061541114).

11554812394 is an equidigital number, since it uses as much as digits as its factorization.

11554812394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94711640.

The product of its digits is 172800, while the sum is 43.

The spelling of 11554812394 in words is "eleven billion, five hundred fifty-four million, eight hundred twelve thousand, three hundred ninety-four".