1156563053 has 2 divisors, whose sum is σ = 1156563054. Its totient is φ = 1156563052.

The previous prime is 1156563047. The next prime is 1156563059. The reversal of 1156563053 is 3503656511.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1156563047) and next prime (1156563059).

It can be written as a sum of positive squares in only one way, i.e., 1034394244 + 122168809 = 32162^2 + 11053^2 .

It is an emirp because it is prime and its reverse (3503656511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1156563053 - 2²⁴ = 1139785837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156563059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578281526 + 578281527.

It is an arithmetic number, because the mean of its divisors is an integer number (578281527).

Almost surely, 2^1156563053 is an apocalyptic number.

It is an amenable number.

1156563053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156563053 is an equidigital number, since it uses as much as digits as its factorization.

1156563053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 1156563053 is about 34008.2791831636. The cubic root of 1156563053 is about 1049.6788293602.

The spelling of 1156563053 in words is "one billion, one hundred fifty-six million, five hundred sixty-three thousand, fifty-three".