211157079 has 16 divisors (see below), whose sum is σ = 321968640. Its totient is φ = 120584160.

The previous prime is 211157071. The next prime is 211157101. The reversal of 211157079 is 970751112.

It is not a de Polignac number, because 211157079 - 2³ = 211157071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211157071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55077 + ... + 58785.

It is an arithmetic number, because the mean of its divisors is an integer number (20123040).

Almost surely, 2^211157079 is an apocalyptic number.

211157079 is a deficient number, since it is larger than the sum of its proper divisors (110811561).

211157079 is a wasteful number, since it uses less digits than its factorization.

211157079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430.

The product of its (nonzero) digits is 4410, while the sum is 33.

The square root of 211157079 is about 14531.2449225798. The cubic root of 211157079 is about 595.4818768934.

The spelling of 211157079 in words is "two hundred eleven million, one hundred fifty-seven thousand, seventy-nine".