11156461 has 2 divisors, whose sum is σ = 11156462. Its totient is φ = 11156460.

The previous prime is 11156441. The next prime is 11156489. The reversal of 11156461 is 16465111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7733961 + 3422500 = 2781^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 11156461 - 2⁵ = 11156429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11156441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578230 + 5578231.

It is an arithmetic number, because the mean of its divisors is an integer number (5578231).

Almost surely, 2^11156461 is an apocalyptic number.

It is an amenable number.

11156461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156461 is an equidigital number, since it uses as much as digits as its factorization.

11156461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 11156461 is about 3340.1288897287. The cubic root of 11156461 is about 223.4474916979.

The spelling of 11156461 in words is "eleven million, one hundred fifty-six thousand, four hundred sixty-one".