1161699471563 has 2 divisors, whose sum is σ = 1161699471564. Its totient is φ = 1161699471562.

The previous prime is 1161699471557. The next prime is 1161699471649. The reversal of 1161699471563 is 3651749961611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1161699471563 - 2²⁶ = 1161632362699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161699471533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580849735781 + 580849735782.

It is an arithmetic number, because the mean of its divisors is an integer number (580849735782).

Almost surely, 2^{1161699471563} is an apocalyptic number.

1161699471563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161699471563 is an equidigital number, since it uses as much as digits as its factorization.

1161699471563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 59.

The spelling of 1161699471563 in words is "one trillion, one hundred sixty-one billion, six hundred ninety-nine million, four hundred seventy-one thousand, five hundred sixty-three".