211055575539 has 16 divisors (see below), whose sum is σ = 285740297600. Its totient is φ = 138539237760.

The previous prime is 211055575519. The next prime is 211055575541. The reversal of 211055575539 is 935575550112.

It is not a de Polignac number, because 211055575539 - 2²¹ = 211053478387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211055575519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191412 + ... + 677310.

It is an arithmetic number, because the mean of its divisors is an integer number (17858768600).

Almost surely, 2^211055575539 is an apocalyptic number.

211055575539 is a deficient number, since it is larger than the sum of its proper divisors (74684722061).

211055575539 is a wasteful number, since it uses less digits than its factorization.

211055575539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488130.

The product of its (nonzero) digits is 1181250, while the sum is 48.

The spelling of 211055575539 in words is "two hundred eleven billion, fifty-five million, five hundred seventy-five thousand, five hundred thirty-nine".