11411216451 has 24 divisors (see below), whose sum is σ = 16581211920. Its totient is φ = 7562218176.

The previous prime is 11411216447. The next prime is 11411216471. The reversal of 11411216451 is 15461211411.

It is a happy number.

11411216451 is a `hidden beast` number, since 1 + 1 + 4 + 1 + 12 + 1 + 645 + 1 = 666.

It is not a de Polignac number, because 11411216451 - 2² = 11411216447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11411216471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1125561 + ... + 1135653.

It is an arithmetic number, because the mean of its divisors is an integer number (690883830).

Almost surely, 2^11411216451 is an apocalyptic number.

11411216451 is a deficient number, since it is larger than the sum of its proper divisors (5169995469).

11411216451 is a wasteful number, since it uses less digits than its factorization.

11411216451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835 (or 10832 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

Adding to 11411216451 its reverse (15461211411), we get a palindrome (26872427862).

The spelling of 11411216451 in words is "eleven billion, four hundred eleven million, two hundred sixteen thousand, four hundred fifty-one".