211231552583 has 2 divisors, whose sum is σ = 211231552584. Its totient is φ = 211231552582.

The previous prime is 211231552577. The next prime is 211231552663. The reversal of 211231552583 is 385255132112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211231552583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211231452583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105615776291 + 105615776292.

It is an arithmetic number, because the mean of its divisors is an integer number (105615776292).

Almost surely, 2^211231552583 is an apocalyptic number.

211231552583 is a deficient number, since it is larger than the sum of its proper divisors (1).

211231552583 is an equidigital number, since it uses as much as digits as its factorization.

211231552583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 38.

Adding to 211231552583 its reverse (385255132112), we get a palindrome (596486684695).

The spelling of 211231552583 in words is "two hundred eleven billion, two hundred thirty-one million, five hundred fifty-two thousand, five hundred eighty-three".