5491225884736 has 112 divisors (see below), whose sum is σ = 11241905855488. Its totient is φ = 2659728960000.

The previous prime is 5491225884721. The next prime is 5491225884737. The reversal of 5491225884736 is 6374885221945.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (5491225884737) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 267189661 + ... + 267210211.

It is an arithmetic number, because the mean of its divisors is an integer number (100374159424).

Almost surely, 2^{5491225884736} 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 5491225884736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5620952927744).

5491225884736 is an abundant number, since it is smaller than the sum of its proper divisors (5750679970752).

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

5491225884736 is a wasteful number, since it uses less digits than its factorization.

5491225884736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21400 (or 21390 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 64.

The spelling of 5491225884736 in words is "five trillion, four hundred ninety-one billion, two hundred twenty-five million, eight hundred eighty-four thousand, seven hundred thirty-six".