11311454451 has 8 divisors (see below), whose sum is σ = 16453024704. Its totient is φ = 6855426920.

The previous prime is 11311454447. The next prime is 11311454477. The reversal of 11311454451 is 15445411311.

11311454451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11311454451 - 2² = 11311454447 is a prime.

It is a super-2 number, since 2×11311454451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11311454491) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 171385641 + ... + 171385706.

It is an arithmetic number, because the mean of its divisors is an integer number (2056628088).

Almost surely, 2^11311454451 is an apocalyptic number.

11311454451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11311454451 is a deficient number, since it is larger than the sum of its proper divisors (5141570253).

11311454451 is a wasteful number, since it uses less digits than its factorization.

11311454451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342771361.

The product of its digits is 4800, while the sum is 30.

Adding to 11311454451 its reverse (15445411311), we get a palindrome (26756865762).

The spelling of 11311454451 in words is "eleven billion, three hundred eleven million, four hundred fifty-four thousand, four hundred fifty-one".