211068426980 has 24 divisors (see below), whose sum is σ = 458527963320. Its totient is φ = 81516081920.

The previous prime is 211068426973. The next prime is 211068427007. The reversal of 211068426980 is 89624860112.

It can be written as a sum of positive squares in 4 ways, for example, as 28554916324 + 182513510656 = 168982^2 + 427216^2 .

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, 181954961 + ... + 181956120.

It is an arithmetic number, because the mean of its divisors is an integer number (19105331805).

Almost surely, 2^211068426980 is an apocalyptic number.

211068426980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211068426980 is an abundant number, since it is smaller than the sum of its proper divisors (247459536340).

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

211068426980 is a wasteful number, since it uses less digits than its factorization.

211068426980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363911119 (or 363911117 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 211068426980 in words is "two hundred eleven billion, sixty-eight million, four hundred twenty-six thousand, nine hundred eighty".