211427536140304 has 135 divisors (see below), whose sum is σ = 475239220216509. Its totient is φ = 91040115893760.

The previous prime is 211427536140193. The next prime is 211427536140313. The reversal of 211427536140304 is 403041635724112.

The square root of 211427536140304 is 14540548.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 46365477008400 + 165062059131904 = 6809220^2 + 12847648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12155889432 + ... + 12155906824.

Almost surely, 2^{211427536140304} is an apocalyptic number.

211427536140304 is the 14540548-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211427536140304

211427536140304 is an abundant number, since it is smaller than the sum of its proper divisors (263811684076205).

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

211427536140304 is an frugal number, since it uses more digits than its factorization.

211427536140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34854 (or 17425 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 211427536140304 in words is "two hundred eleven trillion, four hundred twenty-seven billion, five hundred thirty-six million, one hundred forty thousand, three hundred four".