211454255344020 has 48 divisors (see below), whose sum is σ = 637615908424320. Its totient is φ = 52050278238336.

The previous prime is 211454255343931. The next prime is 211454255344027. The reversal of 211454255344020 is 20443552454112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211454255344027) by changing a digit.

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, 135547598800 + ... + 135547600359.

It is an arithmetic number, because the mean of its divisors is an integer number (13283664758840).

Almost surely, 2^{211454255344020} is an apocalyptic number.

211454255344020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211454255344020 is an abundant number, since it is smaller than the sum of its proper divisors (426161653080300).

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

211454255344020 is a wasteful number, since it uses less digits than its factorization.

211454255344020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271095199184 (or 271095199182 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 211454255344020 in words is "two hundred eleven trillion, four hundred fifty-four billion, two hundred fifty-five million, three hundred forty-four thousand, twenty".