211842095652 has 72 divisors (see below), whose sum is σ = 597756038880. Its totient is φ = 62701672320.

The previous prime is 211842095651. The next prime is 211842095671. The reversal of 211842095652 is 256590248112.

211842095652 is a `hidden beast` number, since 2 + 1 + 1 + 84 + 2 + 0 + 9 + 565 + 2 = 666.

It is a super-2 number, since 2×211842095652² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211842095598 and 211842095607.

It is not an unprimeable number, because it can be changed into a prime (211842095651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6203377 + ... + 6237432.

Almost surely, 2^211842095652 is an apocalyptic number.

211842095652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211842095652 is an abundant number, since it is smaller than the sum of its proper divisors (385913943228).

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

211842095652 is a wasteful number, since it uses less digits than its factorization.

211842095652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440873 (or 12440868 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 211842095652 in words is "two hundred eleven billion, eight hundred forty-two million, ninety-five thousand, six hundred fifty-two".