1113656461 has 2 divisors, whose sum is σ = 1113656462. Its totient is φ = 1113656460.

The previous prime is 1113656459. The next prime is 1113656477. The reversal of 1113656461 is 1646563111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074593961 + 39062500 = 32781^2 + 6250^2 .

It is an emirp because it is prime and its reverse (1646563111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113656461 - 2¹ = 1113656459 is a prime.

Together with 1113656459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113656491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556828230 + 556828231.

It is an arithmetic number, because the mean of its divisors is an integer number (556828231).

Almost surely, 2^1113656461 is an apocalyptic number.

It is an amenable number.

1113656461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113656461 is an equidigital number, since it uses as much as digits as its factorization.

1113656461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 1113656461 is about 33371.4917407059. The cubic root of 1113656461 is about 1036.5344648754.

The spelling of 1113656461 in words is "one billion, one hundred thirteen million, six hundred fifty-six thousand, four hundred sixty-one".