211553675756 has 48 divisors (see below), whose sum is σ = 397964109312. Its totient is φ = 98042246400.

The previous prime is 211553675743. The next prime is 211553675771. The reversal of 211553675756 is 657576355112.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 211553675698 and 211553675707.

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, 4354841 + ... + 4403151.

It is an arithmetic number, because the mean of its divisors is an integer number (8290918944).

Almost surely, 2^211553675756 is an apocalyptic number.

It is an amenable number.

211553675756 is a deficient number, since it is larger than the sum of its proper divisors (186410433556).

211553675756 is a wasteful number, since it uses less digits than its factorization.

211553675756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49310 (or 49308 counting only the distinct ones).

The product of its digits is 6615000, while the sum is 53.

The spelling of 211553675756 in words is "two hundred eleven billion, five hundred fifty-three million, six hundred seventy-five thousand, seven hundred fifty-six".