212115315441511 has 2 divisors, whose sum is σ = 212115315441512. Its totient is φ = 212115315441510.

The previous prime is 212115315441487. The next prime is 212115315441521. The reversal of 212115315441511 is 115144513511212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212115315441511 - 2⁷ = 212115315441383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212115315441521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106057657720755 + 106057657720756.

It is an arithmetic number, because the mean of its divisors is an integer number (106057657720756).

Almost surely, 2^{212115315441511} is an apocalyptic number.

212115315441511 is a deficient number, since it is larger than the sum of its proper divisors (1).

212115315441511 is an equidigital number, since it uses as much as digits as its factorization.

212115315441511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 37.

Adding to 212115315441511 its reverse (115144513511212), we get a palindrome (327259828952723).

The spelling of 212115315441511 in words is "two hundred twelve trillion, one hundred fifteen billion, three hundred fifteen million, four hundred forty-one thousand, five hundred eleven".