5091445653720 has 256 divisors, whose sum is σ = 17041759257600. Its totient is φ = 1209336791040.

The previous prime is 5091445653713. The next prime is 5091445653743. The reversal of 5091445653720 is 273565441905.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 37413000 + ... + 37548840.

It is an arithmetic number, because the mean of its divisors is an integer number (66569372100).

Almost surely, 2^{5091445653720} 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 5091445653720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8520879628800).

5091445653720 is an abundant number, since it is smaller than the sum of its proper divisors (11950313603880).

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

5091445653720 is a wasteful number, since it uses less digits than its factorization.

5091445653720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136858 (or 136854 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 5091445653720 in words is "five trillion, ninety-one billion, four hundred forty-five million, six hundred fifty-three thousand, seven hundred twenty".