1155564967 has 2 divisors, whose sum is σ = 1155564968. Its totient is φ = 1155564966.

The previous prime is 1155564947. The next prime is 1155565027. The reversal of 1155564967 is 7694655511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155564967 - 2¹⁵ = 1155532199 is a prime.

It is a super-2 number, since 2×1155564967² = 2670660785915422178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1155564967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155564947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577782483 + 577782484.

It is an arithmetic number, because the mean of its divisors is an integer number (577782484).

Almost surely, 2^1155564967 is an apocalyptic number.

1155564967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155564967 is an equidigital number, since it uses as much as digits as its factorization.

1155564967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 49.

The square root of 1155564967 is about 33993.6018538783. The cubic root of 1155564967 is about 1049.3767932953.

The spelling of 1155564967 in words is "one billion, one hundred fifty-five million, five hundred sixty-four thousand, nine hundred sixty-seven".