755103443901820 has 96 divisors (see below), whose sum is σ = 1718770319638848. Its totient is φ = 277001547528192.

The previous prime is 755103443901803. The next prime is 755103443901841. The reversal of 755103443901820 is 28109344301557.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58304352 + ... + 70068568.

It is an arithmetic number, because the mean of its divisors is an integer number (17903857496238).

Almost surely, 2^{755103443901820} 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 755103443901820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859385159819424).

755103443901820 is an abundant number, since it is smaller than the sum of its proper divisors (963666875737028).

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

755103443901820 is a wasteful number, since it uses less digits than its factorization.

755103443901820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11765839 (or 11765837 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 755103443901820 in words is "seven hundred fifty-five trillion, one hundred three billion, four hundred forty-three million, nine hundred one thousand, eight hundred twenty".