2111500302680 has 16 divisors (see below), whose sum is σ = 4750875681120. Its totient is φ = 844600121056.

The previous prime is 2111500302671. The next prime is 2111500302727. The reversal of 2111500302680 is 862030051112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26393753744 + ... + 26393753823.

It is an arithmetic number, because the mean of its divisors is an integer number (296929730070).

Almost surely, 2^{2111500302680} is an apocalyptic number.

2111500302680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111500302680 is an abundant number, since it is smaller than the sum of its proper divisors (2639375378440).

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

2111500302680 is a wasteful number, since it uses less digits than its factorization.

2111500302680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52787507578 (or 52787507574 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 2111500302680 its reverse (862030051112), we get a palindrome (2973530353792).

The spelling of 2111500302680 in words is "two trillion, one hundred eleven billion, five hundred million, three hundred two thousand, six hundred eighty".