211052828502 has 32 divisors (see below), whose sum is σ = 479913413760. Its totient is φ = 68714873640.

The previous prime is 211052828477. The next prime is 211052828513. The reversal of 211052828502 is 205828250112.

211052828502 is a `hidden beast` number, since 2 + 1 + 105 + 28 + 28 + 502 = 666.

211052828502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45444024 + ... + 45448667.

It is an arithmetic number, because the mean of its divisors is an integer number (14997294180).

Almost surely, 2^211052828502 is an apocalyptic number.

211052828502 is an abundant number, since it is smaller than the sum of its proper divisors (268860585258).

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

211052828502 is a wasteful number, since it uses less digits than its factorization.

211052828502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90892745 (or 90892739 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 211052828502 in words is "two hundred eleven billion, fifty-two million, eight hundred twenty-eight thousand, five hundred two".