211256360054 has 4 divisors (see below), whose sum is σ = 316884540084. Its totient is φ = 105628180026.

The previous prime is 211256360009. The next prime is 211256360111. The reversal of 211256360054 is 450063652112.

211256360054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211256359996 and 211256360023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52814090012 + ... + 52814090015.

It is an arithmetic number, because the mean of its divisors is an integer number (79221135021).

Almost surely, 2^211256360054 is an apocalyptic number.

211256360054 is a deficient number, since it is larger than the sum of its proper divisors (105628180030).

211256360054 is a wasteful number, since it uses less digits than its factorization.

211256360054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105628180029.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 211256360054 in words is "two hundred eleven billion, two hundred fifty-six million, three hundred sixty thousand, fifty-four".