1061163553 has 2 divisors, whose sum is σ = 1061163554. Its totient is φ = 1061163552.

The previous prime is 1061163541. The next prime is 1061163569. The reversal of 1061163553 is 3553611601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584527329 + 476636224 = 24177^2 + 21832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061163553 - 2²¹ = 1059066401 is a prime.

It is a super-2 number, since 2×1061163553² = 2252136172431167618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061163533) 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, 530581776 + 530581777.

It is an arithmetic number, because the mean of its divisors is an integer number (530581777).

Almost surely, 2^1061163553 is an apocalyptic number.

It is an amenable number.

1061163553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061163553 is an equidigital number, since it uses as much as digits as its factorization.

1061163553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1061163553 is about 32575.5054143447. The cubic root of 1061163553 is about 1019.9857594449.

The spelling of 1061163553 in words is "one billion, sixty-one million, one hundred sixty-three thousand, five hundred fifty-three".