5111325453444 has 144 divisors (see below), whose sum is σ = 13912016630400. Its totient is φ = 1456339046400.

The previous prime is 5111325453433. The next prime is 5111325453503. The reversal of 5111325453444 is 4443545231115.

It is a super-2 number, since 2×5111325453444² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5111325453396 and 5111325453405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458450382 + ... + 458461530.

It is an arithmetic number, because the mean of its divisors is an integer number (96611226600).

Almost surely, 2^{5111325453444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111325453444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6956008315200).

5111325453444 is an abundant number, since it is smaller than the sum of its proper divisors (8800691176956).

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

5111325453444 is a wasteful number, since it uses less digits than its factorization.

5111325453444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258 (or 13249 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The spelling of 5111325453444 in words is "five trillion, one hundred eleven billion, three hundred twenty-five million, four hundred fifty-three thousand, four hundred forty-four".