11113406451 has 48 divisors (see below), whose sum is σ = 19628227840. Its totient is φ = 5917613760.

The previous prime is 11113406431. The next prime is 11113406453. The reversal of 11113406451 is 15460431111.

11113406451 is a `hidden beast` number, since 1 + 1 + 1 + 13 + 4 + 0 + 645 + 1 = 666.

It is not a de Polignac number, because 11113406451 - 2¹⁹ = 11112882163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113406453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3085 + ... + 149118.

Almost surely, 2^11113406451 is an apocalyptic number.

11113406451 is a deficient number, since it is larger than the sum of its proper divisors (8514821389).

11113406451 is a wasteful number, since it uses less digits than its factorization.

11113406451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152296 (or 152293 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11113406451 its reverse (15460431111), we get a palindrome (26573837562).

The spelling of 11113406451 in words is "eleven billion, one hundred thirteen million, four hundred six thousand, four hundred fifty-one".