1153513982 has 4 divisors (see below), whose sum is σ = 1730270976. Its totient is φ = 576756990.

The previous prime is 1153513981. The next prime is 1153513987. The reversal of 1153513982 is 2893153511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153513981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288378494 + ... + 288378497.

It is an arithmetic number, because the mean of its divisors is an integer number (432567744).

Almost surely, 2^1153513982 is an apocalyptic number.

1153513982 is a deficient number, since it is larger than the sum of its proper divisors (576756994).

1153513982 is an equidigital number, since it uses as much as digits as its factorization.

1153513982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576756993.

The product of its digits is 32400, while the sum is 38.

The square root of 1153513982 is about 33963.4212352054. The cubic root of 1153513982 is about 1048.7555875906.

The spelling of 1153513982 in words is "one billion, one hundred fifty-three million, five hundred thirteen thousand, nine hundred eighty-two".