1163456406461 has 4 divisors (see below), whose sum is σ = 1174975776924. Its totient is φ = 1151937036000.

The previous prime is 1163456406449. The next prime is 1163456406481. The reversal of 1163456406461 is 1646046543611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 764935655236 + 398520751225 = 874606^2 + 631285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163456406461 - 2¹⁸ = 1163456144317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163456406421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5759685080 + ... + 5759685281.

It is an arithmetic number, because the mean of its divisors is an integer number (293743944231).

Almost surely, 2^{1163456406461} is an apocalyptic number.

It is an amenable number.

1163456406461 is a deficient number, since it is larger than the sum of its proper divisors (11519370463).

1163456406461 is a wasteful number, since it uses less digits than its factorization.

1163456406461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11519370462.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 1163456406461 in words is "one trillion, one hundred sixty-three billion, four hundred fifty-six million, four hundred six thousand, four hundred sixty-one".