11406634426 has 12 divisors (see below), whose sum is σ = 18806806746. Its totient is φ = 5184833720.

The previous prime is 11406634417. The next prime is 11406634441. The reversal of 11406634426 is 62443660411.

It can be written as a sum of positive squares in only one way, i.e., 7858645201 + 3547989225 = 88649^2 + 59565^2 .

It is a super-2 number, since 2×11406634426² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23567185 + ... + 23567668.

Almost surely, 2^11406634426 is an apocalyptic number.

11406634426 is a deficient number, since it is larger than the sum of its proper divisors (7400172320).

11406634426 is a wasteful number, since it uses less digits than its factorization.

11406634426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47134877 (or 47134866 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 11406634426 in words is "eleven billion, four hundred six million, six hundred thirty-four thousand, four hundred twenty-six".