211209139096 has 16 divisors (see below), whose sum is σ = 396065748240. Its totient is φ = 105591606240.

The previous prime is 211209139093. The next prime is 211209139111. The reversal of 211209139096 is 690931902112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211209139091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550995 + ... + 1681666.

It is an arithmetic number, because the mean of its divisors is an integer number (24754109265).

Almost surely, 2^211209139096 is an apocalyptic number.

It is an amenable number.

211209139096 is a deficient number, since it is larger than the sum of its proper divisors (184856609144).

211209139096 is a wasteful number, since it uses less digits than its factorization.

211209139096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240834 (or 3240830 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 211209139096 in words is "two hundred eleven billion, two hundred nine million, one hundred thirty-nine thousand, ninety-six".