11711370521611 has 2 divisors, whose sum is σ = 11711370521612. Its totient is φ = 11711370521610.

The previous prime is 11711370521597. The next prime is 11711370521621. The reversal of 11711370521611 is 11612507311711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11711370521611 - 2¹⁷ = 11711370390539 is a prime.

It is not a weakly prime, because it can be changed into another prime (11711370521621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5855685260805 + 5855685260806.

It is an arithmetic number, because the mean of its divisors is an integer number (5855685260806).

Almost surely, 2^{11711370521611} is an apocalyptic number.

11711370521611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11711370521611 is an equidigital number, since it uses as much as digits as its factorization.

11711370521611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 37.

The spelling of 11711370521611 in words is "eleven trillion, seven hundred eleven billion, three hundred seventy million, five hundred twenty-one thousand, six hundred eleven".