211161364375 has 20 divisors (see below), whose sum is σ = 284164731928. Its totient is φ = 155934540000.

The previous prime is 211161364357. The next prime is 211161364391. The reversal of 211161364375 is 573463161112.

It is a happy number.

It is not a de Polignac number, because 211161364375 - 2⁹ = 211161363863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12986421 + ... + 13002670.

Almost surely, 2^211161364375 is an apocalyptic number.

211161364375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

211161364375 is a deficient number, since it is larger than the sum of its proper divisors (73003367553).

211161364375 is an equidigital number, since it uses as much as digits as its factorization.

211161364375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25989124 (or 25989109 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 211161364375 in words is "two hundred eleven billion, one hundred sixty-one million, three hundred sixty-four thousand, three hundred seventy-five".