7447113314550 has 672 divisors, whose sum is σ = 25695195277248. Its totient is φ = 1562983464960.

The previous prime is 7447113314549. The next prime is 7447113314561. The reversal of 7447113314550 is 554133117447.

7447113314550 is a `hidden beast` number, since 7 + 4 + 4 + 71 + 13 + 3 + 14 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7447113314496 and 7447113314505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 640165534 + ... + 640177166.

It is an arithmetic number, because the mean of its divisors is an integer number (38236897734).

Almost surely, 2^{7447113314550} is an apocalyptic number.

7447113314550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7447113314550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12847597638624).

7447113314550 is an abundant number, since it is smaller than the sum of its proper divisors (18248081962698).

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

7447113314550 is a wasteful number, since it uses less digits than its factorization.

7447113314550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11876 (or 11856 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 7447113314550 in words is "seven trillion, four hundred forty-seven billion, one hundred thirteen million, three hundred fourteen thousand, five hundred fifty".