211256086575 has 12 divisors (see below), whose sum is σ = 349276729928. Its totient is φ = 112669912800.

The previous prime is 211256086549. The next prime is 211256086577. The reversal of 211256086575 is 575680652112.

It is not a de Polignac number, because 211256086575 - 2⁶ = 211256086511 is a prime.

It is a super-2 number, since 2×211256086575² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211256086577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408373836 + ... + 1408373985.

Almost surely, 2^211256086575 is an apocalyptic number.

211256086575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

211256086575 is a deficient number, since it is larger than the sum of its proper divisors (138020643353).

211256086575 is a wasteful number, since it uses less digits than its factorization.

211256086575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816747834 (or 2816747829 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 211256086575 in words is "two hundred eleven billion, two hundred fifty-six million, eighty-six thousand, five hundred seventy-five".