211364063520 has 48 divisors (see below), whose sum is σ = 665796801600. Its totient is φ = 56363750144.

The previous prime is 211364063513. The next prime is 211364063527. The reversal of 211364063520 is 25360463112.

It is an interprime number because it is at equal distance from previous prime (211364063513) and next prime (211364063527).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (211364063527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220170420 + ... + 220171379.

It is an arithmetic number, because the mean of its divisors is an integer number (13870766700).

Almost surely, 2^211364063520 is an apocalyptic number.

211364063520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211364063520 is an abundant number, since it is smaller than the sum of its proper divisors (454432738080).

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

211364063520 is a wasteful number, since it uses less digits than its factorization.

211364063520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440341817 (or 440341809 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 211364063520 in words is "two hundred eleven billion, three hundred sixty-four million, sixty-three thousand, five hundred twenty".