1148631083218 has 4 divisors (see below), whose sum is σ = 1722946624830. Its totient is φ = 574315541608.

The previous prime is 1148631083207. The next prime is 1148631083221. The reversal of 1148631083218 is 8123801368411.

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

It can be written as a sum of positive squares in only one way, i.e., 1145248846569 + 3382236649 = 1070163^2 + 58157^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287157770803 + ... + 287157770806.

Almost surely, 2^{1148631083218} is an apocalyptic number.

1148631083218 is a deficient number, since it is larger than the sum of its proper divisors (574315541612).

1148631083218 is an equidigital number, since it uses as much as digits as its factorization.

1148631083218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574315541611.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 1148631083218 in words is "one trillion, one hundred forty-eight billion, six hundred thirty-one million, eighty-three thousand, two hundred eighteen".