1161564036463 has 2 divisors, whose sum is σ = 1161564036464. Its totient is φ = 1161564036462.

The previous prime is 1161564036443. The next prime is 1161564036467. The reversal of 1161564036463 is 3646304651611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161564036463 - 2⁵ = 1161564036431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161564036467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580782018231 + 580782018232.

It is an arithmetic number, because the mean of its divisors is an integer number (580782018232).

Almost surely, 2^{1161564036463} is an apocalyptic number.

1161564036463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161564036463 is an equidigital number, since it uses as much as digits as its factorization.

1161564036463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 1161564036463 in words is "one trillion, one hundred sixty-one billion, five hundred sixty-four million, thirty-six thousand, four hundred sixty-three".