11321451145125 has 64 divisors (see below), whose sum is σ = 22835023960320. Its totient is φ = 5489188416000.

The previous prime is 11321451145099. The next prime is 11321451145133. The reversal of 11321451145125 is 52154115412311.

It is a happy number.

11321451145125 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 14 + 511 + 4 + 5 + 125 = 666.

It is not a de Polignac number, because 11321451145125 - 2³⁰ = 11320377403301 is a prime.

It is a super-2 number, since 2×11321451145125² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11321451145125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152440332 + ... + 152514581.

It is an arithmetic number, because the mean of its divisors is an integer number (356797249380).

Almost surely, 2^{11321451145125} is an apocalyptic number.

11321451145125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11321451145125 is an abundant number, since it is smaller than the sum of its proper divisors (11513572815195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321451145125 is a wasteful number, since it uses less digits than its factorization.

11321451145125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304954948 (or 304954932 counting only the distinct ones).

The product of its digits is 24000, while the sum is 36.

Adding to 11321451145125 its reverse (52154115412311), we get a palindrome (63475566557436).

The spelling of 11321451145125 in words is "eleven trillion, three hundred twenty-one billion, four hundred fifty-one million, one hundred forty-five thousand, one hundred twenty-five".