211274157238 has 16 divisors (see below), whose sum is σ = 321788484864. Its totient is φ = 104023153000.

The previous prime is 211274157203. The next prime is 211274157271. The reversal of 211274157238 is 832751472112.

211274157238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211274157194 and 211274157203.

It is a congruent number.

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, 2920138 + ... + 2991613.

It is an arithmetic number, because the mean of its divisors is an integer number (20111780304).

Almost surely, 2^211274157238 is an apocalyptic number.

211274157238 is a deficient number, since it is larger than the sum of its proper divisors (110514327626).

211274157238 is a wasteful number, since it uses less digits than its factorization.

211274157238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912027.

The product of its digits is 188160, while the sum is 43.

The spelling of 211274157238 in words is "two hundred eleven billion, two hundred seventy-four million, one hundred fifty-seven thousand, two hundred thirty-eight".