1156876453 has 2 divisors, whose sum is σ = 1156876454. Its totient is φ = 1156876452.

The previous prime is 1156876451. The next prime is 1156876481. The reversal of 1156876453 is 3546786511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 686073249 + 470803204 = 26193^2 + 21698^2 .

It is an emirp because it is prime and its reverse (3546786511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1156876453 - 2¹ = 1156876451 is a prime.

It is a super-2 number, since 2×1156876453² = 2676726255011722418, which contains 22 as substring.

Together with 1156876451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156876451) 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, 578438226 + 578438227.

It is an arithmetic number, because the mean of its divisors is an integer number (578438227).

Almost surely, 2^1156876453 is an apocalyptic number.

It is an amenable number.

1156876453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156876453 is an equidigital number, since it uses as much as digits as its factorization.

1156876453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 1156876453 is about 34012.8865725919. The cubic root of 1156876453 is about 1049.7736331366.

The spelling of 1156876453 in words is "one billion, one hundred fifty-six million, eight hundred seventy-six thousand, four hundred fifty-three".