2113330433280 has 144 divisors (see below), whose sum is σ = 7363035497664. Its totient is φ = 512322519040.

The previous prime is 2113330433239. The next prime is 2113330433281. The reversal of 2113330433280 is 823340333112.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113330433281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24973509 + ... + 25057988.

It is an arithmetic number, because the mean of its divisors is an integer number (51132190956).

Almost surely, 2^{2113330433280} is an apocalyptic number.

2113330433280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113330433280 is an abundant number, since it is smaller than the sum of its proper divisors (5249705064384).

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

2113330433280 is a wasteful number, since it uses less digits than its factorization.

2113330433280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50031532 (or 50031518 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 2113330433280 its reverse (823340333112), we get a palindrome (2936670766392).

The spelling of 2113330433280 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, four hundred thirty-three thousand, two hundred eighty".