2111883245824 has 243 divisors, whose sum is σ = 4857334163899. Its totient is φ = 915652418560.

The previous prime is 2111883245809. The next prime is 2111883245833. The reversal of 2111883245824 is 4285423881112.

The square root of 2111883245824 is 1453232.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2111883245824² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5882682957 + ... + 5882683315.

Almost surely, 2^{2111883245824} is an apocalyptic number.

2111883245824 is the 1453232-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111883245824

2111883245824 is an abundant number, since it is smaller than the sum of its proper divisors (2745450918075).

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

2111883245824 is an frugal number, since it uses more digits than its factorization.

2111883245824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 395 counting only the distinct ones).

The product of its digits is 983040, while the sum is 49.

Multiplying 2111883245824 by its sum of digits (49), we get a square (103482279045376 = 10172624²).

The spelling of 2111883245824 in words is "two trillion, one hundred eleven billion, eight hundred eighty-three million, two hundred forty-five thousand, eight hundred twenty-four".