211157058065 has 16 divisors (see below), whose sum is σ = 265511692800. Its totient is φ = 160904960832.

The previous prime is 211157058037. The next prime is 211157058071. The reversal of 211157058065 is 560850751112.

It is a cyclic number.

It is not a de Polignac number, because 211157058065 - 2⁶ = 211157058001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3813830 + ... + 3868799.

It is an arithmetic number, because the mean of its divisors is an integer number (16594480800).

Almost surely, 2^211157058065 is an apocalyptic number.

It is an amenable number.

211157058065 is a deficient number, since it is larger than the sum of its proper divisors (54354634735).

211157058065 is a wasteful number, since it uses less digits than its factorization.

211157058065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682896.

The product of its (nonzero) digits is 84000, while the sum is 41.

The spelling of 211157058065 in words is "two hundred eleven billion, one hundred fifty-seven million, fifty-eight thousand, sixty-five".