211155601147 has 2 divisors, whose sum is σ = 211155601148. Its totient is φ = 211155601146.

The previous prime is 211155601123. The next prime is 211155601219. The reversal of 211155601147 is 741106551112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211155601147 - 2¹¹ = 211155599099 is a prime.

It is not a weakly prime, because it can be changed into another prime (211155101147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105577800573 + 105577800574.

It is an arithmetic number, because the mean of its divisors is an integer number (105577800574).

Almost surely, 2^211155601147 is an apocalyptic number.

211155601147 is a deficient number, since it is larger than the sum of its proper divisors (1).

211155601147 is an equidigital number, since it uses as much as digits as its factorization.

211155601147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 34.

The spelling of 211155601147 in words is "two hundred eleven billion, one hundred fifty-five million, six hundred one thousand, one hundred forty-seven".