11481637466 has 8 divisors (see below), whose sum is σ = 18547260564. Its totient is φ = 5299217280.

The previous prime is 11481637459. The next prime is 11481637469. The reversal of 11481637466 is 66473618411.

It can be written as a sum of positive squares in 2 ways, for example, as 11453494441 + 28143025 = 107021^2 + 5305^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11481637466.

It is not an unprimeable number, because it can be changed into a prime (11481637469) 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, 220800695 + ... + 220800746.

Almost surely, 2^11481637466 is an apocalyptic number.

11481637466 is a deficient number, since it is larger than the sum of its proper divisors (7065623098).

11481637466 is a wasteful number, since it uses less digits than its factorization.

11481637466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441601456.

The product of its digits is 580608, while the sum is 47.

The spelling of 11481637466 in words is "eleven billion, four hundred eighty-one million, six hundred thirty-seven thousand, four hundred sixty-six".