11522521304971 has 2 divisors, whose sum is σ = 11522521304972. Its totient is φ = 11522521304970.

The previous prime is 11522521304951. The next prime is 11522521305017. The reversal of 11522521304971 is 17940312522511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11522521304971 - 2⁷ = 11522521304843 is a prime.

It is not a weakly prime, because it can be changed into another prime (11522521304941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761260652485 + 5761260652486.

It is an arithmetic number, because the mean of its divisors is an integer number (5761260652486).

Almost surely, 2^{11522521304971} is an apocalyptic number.

11522521304971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11522521304971 is an equidigital number, since it uses as much as digits as its factorization.

11522521304971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 11522521304971 in words is "eleven trillion, five hundred twenty-two billion, five hundred twenty-one million, three hundred four thousand, nine hundred seventy-one".