11451454144551 has 6 divisors (see below), whose sum is σ = 16540989319920. Its totient is φ = 7634302763028.

The previous prime is 11451454144547. The next prime is 11451454144579. The reversal of 11451454144551 is 15544145415411.

11451454144551 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 1 + 4 + 54 + 1 + 44 + 551 = 666.

It is not a de Polignac number, because 11451454144551 - 2² = 11451454144547 is a prime.

It is a super-2 number, since 2×11451454144551² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11451454144497 and 11451454144506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451454144541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 636191896911 + ... + 636191896928.

It is an arithmetic number, because the mean of its divisors is an integer number (2756831553320).

Almost surely, 2^{11451454144551} is an apocalyptic number.

11451454144551 is a deficient number, since it is larger than the sum of its proper divisors (5089535175369).

11451454144551 is a wasteful number, since it uses less digits than its factorization.

11451454144551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272383793845 (or 1272383793842 counting only the distinct ones).

The product of its digits is 640000, while the sum is 45.

Adding to 11451454144551 its reverse (15544145415411), we get a palindrome (26995599559962).

The spelling of 11451454144551 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-four million, one hundred forty-four thousand, five hundred fifty-one".