11451322454405 has 16 divisors (see below), whose sum is σ = 13746850274304. Its totient is φ = 9157549529280.

The previous prime is 11451322454401. The next prime is 11451322454413. The reversal of 11451322454405 is 50445422315411.

It is not a de Polignac number, because 11451322454405 - 2² = 11451322454401 is a prime.

It is a super-2 number, since 2×11451322454405² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451322454401) 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 15 ways as a sum of consecutive naturals, for example, 400283612 + ... + 400312218.

It is an arithmetic number, because the mean of its divisors is an integer number (859178142144).

Almost surely, 2^{11451322454405} is an apocalyptic number.

It is an amenable number.

11451322454405 is a deficient number, since it is larger than the sum of its proper divisors (2295527819899).

11451322454405 is a wasteful number, since it uses less digits than its factorization.

11451322454405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56476.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 11451322454405 its reverse (50445422315411), we get a palindrome (61896744769816).

The spelling of 11451322454405 in words is "eleven trillion, four hundred fifty-one billion, three hundred twenty-two million, four hundred fifty-four thousand, four hundred five".