11492161 has 2 divisors, whose sum is σ = 11492162. Its totient is φ = 11492160.

The previous prime is 11492141. The next prime is 11492167. The reversal of 11492161 is 16129411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 1252161 = 3200^2 + 1119^2 .

It is an emirp because it is prime and its reverse (16129411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11492161 - 2²³ = 3103553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11492167) 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, 5746080 + 5746081.

It is an arithmetic number, because the mean of its divisors is an integer number (5746081).

Almost surely, 2^11492161 is an apocalyptic number.

It is an amenable number.

11492161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11492161 is an equidigital number, since it uses as much as digits as its factorization.

11492161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

The square root of 11492161 is about 3390.0089970382. The cubic root of 11492161 is about 225.6665730900. Note that the first 3 decimals are identical.

The spelling of 11492161 in words is "eleven million, four hundred ninety-two thousand, one hundred sixty-one".