1153412563 has 4 divisors (see below), whose sum is σ = 1193185440. Its totient is φ = 1113639688.

The previous prime is 1153412539. The next prime is 1153412587. The reversal of 1153412563 is 3652143511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1153412539) and next prime (1153412587).

It is a cyclic number.

It is not a de Polignac number, because 1153412563 - 2⁵ = 1153412531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153412863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19886395 + ... + 19886452.

It is an arithmetic number, because the mean of its divisors is an integer number (298296360).

Almost surely, 2^1153412563 is an apocalyptic number.

1153412563 is a deficient number, since it is larger than the sum of its proper divisors (39772877).

1153412563 is an equidigital number, since it uses as much as digits as its factorization.

1153412563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39772876.

The product of its digits is 10800, while the sum is 31.

The square root of 1153412563 is about 33961.9281401984. The cubic root of 1153412563 is about 1048.7248505379.

The spelling of 1153412563 in words is "one billion, one hundred fifty-three million, four hundred twelve thousand, five hundred sixty-three".