75331045555212 has 96 divisors (see below), whose sum is σ = 187806243328704. Its totient is φ = 23419055923200.

The previous prime is 75331045555211. The next prime is 75331045555243. The reversal of 75331045555212 is 21255554013357.

It is not an unprimeable number, because it can be changed into a prime (75331045555211) 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 31 ways as a sum of consecutive naturals, for example, 6745458 + ... + 14005830.

It is an arithmetic number, because the mean of its divisors is an integer number (1956315034674).

Almost surely, 2^{75331045555212} 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 75331045555212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93903121664352).

75331045555212 is an abundant number, since it is smaller than the sum of its proper divisors (112475197773492).

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

75331045555212 is a wasteful number, since it uses less digits than its factorization.

75331045555212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260859 (or 7260857 counting only the distinct ones).

The product of its (nonzero) digits is 3150000, while the sum is 48.

Adding to 75331045555212 its reverse (21255554013357), we get a palindrome (96586599568569).

The spelling of 75331045555212 in words is "seventy-five trillion, three hundred thirty-one billion, forty-five million, five hundred fifty-five thousand, two hundred twelve".