211452451035200 has 126 divisors (see below), whose sum is σ = 538865423361486. Its totient is φ = 81664394362880.

The previous prime is 211452451035193. The next prime is 211452451035209. The reversal of 211452451035200 is 2530154254112.

It can be written as a sum of positive squares in 9 ways, for example, as 19686898008064 + 191765553027136 = 4436992^2 + 13847944^2 .

It is not an unprimeable number, because it can be changed into a prime (211452451035209) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 77226209 + ... + 79917408.

Almost surely, 2^{211452451035200} is an apocalyptic number.

211452451035200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211452451035200 is an abundant number, since it is smaller than the sum of its proper divisors (327412972326286).

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

211452451035200 is a wasteful number, since it uses less digits than its factorization.

211452451035200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157143697 (or 157143653 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 211452451035200 in words is "two hundred eleven trillion, four hundred fifty-two billion, four hundred fifty-one million, thirty-five thousand, two hundred".