11492451521 has 2 divisors, whose sum is σ = 11492451522. Its totient is φ = 11492451520.

The previous prime is 11492451463. The next prime is 11492451547. The reversal of 11492451521 is 12515429411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9651097600 + 1841353921 = 98240^2 + 42911^2 .

It is a cyclic number.

It is not a de Polignac number, because 11492451521 - 2¹⁴ = 11492435137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11492451221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5746225760 + 5746225761.

It is an arithmetic number, because the mean of its divisors is an integer number (5746225761).

Almost surely, 2^11492451521 is an apocalyptic number.

It is an amenable number.

11492451521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11492451521 is an equidigital number, since it uses as much as digits as its factorization.

11492451521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 35.

The spelling of 11492451521 in words is "eleven billion, four hundred ninety-two million, four hundred fifty-one thousand, five hundred twenty-one".