1149935128618 has 4 divisors (see below), whose sum is σ = 1724902692930. Its totient is φ = 574967564308.

The previous prime is 1149935128613. The next prime is 1149935128627. The reversal of 1149935128618 is 8168215399411.

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., 610925134689 + 539009993929 = 781617^2 + 734173^2 .

It is not an unprimeable number, because it can be changed into a prime (1149935128613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287483782153 + ... + 287483782156.

Almost surely, 2^{1149935128618} is an apocalyptic number.

1149935128618 is a deficient number, since it is larger than the sum of its proper divisors (574967564312).

1149935128618 is an equidigital number, since it uses as much as digits as its factorization.

1149935128618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574967564311.

The product of its digits is 3732480, while the sum is 58.

The spelling of 1149935128618 in words is "one trillion, one hundred forty-nine billion, nine hundred thirty-five million, one hundred twenty-eight thousand, six hundred eighteen".