11372521571 has 2 divisors, whose sum is σ = 11372521572. Its totient is φ = 11372521570.

The previous prime is 11372521543. The next prime is 11372521583. The reversal of 11372521571 is 17512527311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11372521571 - 2⁶ = 11372521507 is a prime.

It is not a weakly prime, because it can be changed into another prime (11372521271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5686260785 + 5686260786.

It is an arithmetic number, because the mean of its divisors is an integer number (5686260786).

Almost surely, 2^11372521571 is an apocalyptic number.

11372521571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11372521571 is an equidigital number, since it uses as much as digits as its factorization.

11372521571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14700, while the sum is 35.

The spelling of 11372521571 in words is "eleven billion, three hundred seventy-two million, five hundred twenty-one thousand, five hundred seventy-one".