7121419454560 has 192 divisors, whose sum is σ = 18243374688000. Its totient is φ = 2618186360832.

The previous prime is 7121419454509. The next prime is 7121419454599. The reversal of 7121419454560 is 654549141217.

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 31 ways as a sum of consecutive naturals, for example, 19294467 + ... + 19660093.

It is an arithmetic number, because the mean of its divisors is an integer number (95017576500).

Almost surely, 2^{7121419454560} 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 7121419454560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9121687344000).

7121419454560 is an abundant number, since it is smaller than the sum of its proper divisors (11121955233440).

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

7121419454560 is a wasteful number, since it uses less digits than its factorization.

7121419454560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365853 (or 365845 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 7121419454560 in words is "seven trillion, one hundred twenty-one billion, four hundred nineteen million, four hundred fifty-four thousand, five hundred sixty".