2111324526640 has 40 divisors (see below), whose sum is σ = 5610090886560. Its totient is φ = 723882694656.

The previous prime is 2111324526637. The next prime is 2111324526653. The reversal of 2111324526640 is 466254231112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2111324526640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885110625 + ... + 1885111744.

It is an arithmetic number, because the mean of its divisors is an integer number (140252272164).

Almost surely, 2^{2111324526640} is an apocalyptic number.

2111324526640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111324526640 is an abundant number, since it is smaller than the sum of its proper divisors (3498766359920).

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

2111324526640 is a wasteful number, since it uses less digits than its factorization.

2111324526640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770222389 (or 3770222383 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 2111324526640 its reverse (466254231112), we get a palindrome (2577578757752).

The spelling of 2111324526640 in words is "two trillion, one hundred eleven billion, three hundred twenty-four million, five hundred twenty-six thousand, six hundred forty".