11451145331005 has 16 divisors (see below), whose sum is σ = 13803587426304. Its totient is φ = 9119459359360.

The previous prime is 11451145330997. The next prime is 11451145331113. The reversal of 11451145331005 is 50013354115411.

It is a happy number.

11451145331005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11451145331005 - 2³ = 11451145330997 is a prime.

It is a super-2 number, since 2×11451145331005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3825012 + ... + 6126418.

It is an arithmetic number, because the mean of its divisors is an integer number (862724214144).

Almost surely, 2^{11451145331005} is an apocalyptic number.

It is an amenable number.

11451145331005 is a deficient number, since it is larger than the sum of its proper divisors (2352442095299).

11451145331005 is a wasteful number, since it uses less digits than its factorization.

11451145331005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305916.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 11451145331005 its reverse (50013354115411), we get a palindrome (61464499446416).

The spelling of 11451145331005 in words is "eleven trillion, four hundred fifty-one billion, one hundred forty-five million, three hundred thirty-one thousand, five".