211921675536 has 40 divisors (see below), whose sum is σ = 566342412480. Its totient is φ = 68204676736.

The previous prime is 211921675499. The next prime is 211921675583. The reversal of 211921675536 is 635576129112.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76119900 + ... + 76122683.

It is an arithmetic number, because the mean of its divisors is an integer number (14158560312).

Almost surely, 2^211921675536 is an apocalyptic number.

It is an amenable number.

211921675536 is an abundant number, since it is smaller than the sum of its proper divisors (354420736944).

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

211921675536 is a wasteful number, since it uses less digits than its factorization.

211921675536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152242623 (or 152242617 counting only the distinct ones).

The product of its digits is 680400, while the sum is 48.

The spelling of 211921675536 in words is "two hundred eleven billion, nine hundred twenty-one million, six hundred seventy-five thousand, five hundred thirty-six".