211274157252 has 48 divisors (see below), whose sum is σ = 514580072832. Its totient is φ = 67340064000.

The previous prime is 211274157203. The next prime is 211274157271. The reversal of 211274157252 is 252751472112.

It is a self number, because there is not a number n which added to its sum of digits gives 211274157252.

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, 700738 + ... + 955814.

It is an arithmetic number, because the mean of its divisors is an integer number (10720418184).

Almost surely, 2^211274157252 is an apocalyptic number.

It is an amenable number.

211274157252 is an abundant number, since it is smaller than the sum of its proper divisors (303305915580).

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

211274157252 is a wasteful number, since it uses less digits than its factorization.

211274157252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258108 (or 258106 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The spelling of 211274157252 in words is "two hundred eleven billion, two hundred seventy-four million, one hundred fifty-seven thousand, two hundred fifty-two".