211880453880 has 64 divisors (see below), whose sum is σ = 635688012960. Its totient is φ = 56497307648.

The previous prime is 211880453849. The next prime is 211880453929. The reversal of 211880453880 is 88354088112.

211880453880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799704 + ... + 1913816.

Almost surely, 2^211880453880 is an apocalyptic number.

211880453880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211880453880 is an abundant number, since it is smaller than the sum of its proper divisors (423807559080).

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

211880453880 is a wasteful number, since it uses less digits than its factorization.

211880453880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129600 (or 129596 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 211880453880 in words is "two hundred eleven billion, eight hundred eighty million, four hundred fifty-three thousand, eight hundred eighty".