211550545150 has 48 divisors (see below), whose sum is σ = 450243039744. Its totient is φ = 72443386080.

The previous prime is 211550545111. The next prime is 211550545169. The reversal of 211550545150 is 51545055112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79162 + ... + 655261.

It is an arithmetic number, because the mean of its divisors is an integer number (9380063328).

Almost surely, 2^211550545150 is an apocalyptic number.

211550545150 is an abundant number, since it is smaller than the sum of its proper divisors (238692494594).

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

211550545150 is a wasteful number, since it uses less digits than its factorization.

211550545150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735265 (or 735260 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 211550545150 in words is "two hundred eleven billion, five hundred fifty million, five hundred forty-five thousand, one hundred fifty".