211061748516 has 24 divisors (see below), whose sum is σ = 492499744800. Its totient is φ = 70350725952.

The previous prime is 211061748509. The next prime is 211061748529. The reversal of 211061748516 is 615847160112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115041 + ... + 659816.

It is an arithmetic number, because the mean of its divisors is an integer number (20520822700).

Almost surely, 2^211061748516 is an apocalyptic number.

It is an amenable number.

211061748516 is an abundant number, since it is smaller than the sum of its proper divisors (281437996284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211061748516 is a wasteful number, since it uses less digits than its factorization.

211061748516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797563 (or 797561 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 211061748516 in words is "two hundred eleven billion, sixty-one million, seven hundred forty-eight thousand, five hundred sixteen".