2138811333120 has 2880 divisors, whose sum is σ = 10318975793280. Its totient is φ = 416922992640.

The previous prime is 2138811333097. The next prime is 2138811333151. The reversal of 2138811333120 is 213331188312.

It is a happy number.

2138811333120 is a `hidden beast` number, since 2 + 138 + 81 + 133 + 312 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6966812007 + ... + 6966812313.

It is an arithmetic number, because the mean of its divisors is an integer number (3582977706).

Almost surely, 2^{2138811333120} is an apocalyptic number.

2138811333120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2138811333120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5159487896640).

2138811333120 is an abundant number, since it is smaller than the sum of its proper divisors (8180164460160).

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

2138811333120 is a wasteful number, since it uses less digits than its factorization.

2138811333120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 2138811333120 in words is "two trillion, one hundred thirty-eight billion, eight hundred eleven million, three hundred thirty-three thousand, one hundred twenty".