211274157074 has 8 divisors (see below), whose sum is σ = 316916127180. Its totient is φ = 105635448016.

The previous prime is 211274157067. The next prime is 211274157119. The reversal of 211274157074 is 470751472112.

It can be written as a sum of positive squares in 2 ways, for example, as 206985871849 + 4288285225 = 454957^2 + 65485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646289 + ... + 916644.

Almost surely, 2^211274157074 is an apocalyptic number.

211274157074 is a deficient number, since it is larger than the sum of its proper divisors (105641970106).

211274157074 is a wasteful number, since it uses less digits than its factorization.

211274157074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630524.

The product of its (nonzero) digits is 109760, while the sum is 41.

The spelling of 211274157074 in words is "two hundred eleven billion, two hundred seventy-four million, one hundred fifty-seven thousand, seventy-four".