1143975194618 has 16 divisors (see below), whose sum is σ = 1717088583840. Its totient is φ = 571612410000.

The previous prime is 1143975194603. The next prime is 1143975194651. The reversal of 1143975194618 is 8164915793411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49189493 + ... + 49212743.

It is an arithmetic number, because the mean of its divisors is an integer number (107318036490).

Almost surely, 2^{1143975194618} is an apocalyptic number.

1143975194618 is a deficient number, since it is larger than the sum of its proper divisors (573113389222).

1143975194618 is a wasteful number, since it uses less digits than its factorization.

1143975194618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38333.

The product of its digits is 6531840, while the sum is 59.

The spelling of 1143975194618 in words is "one trillion, one hundred forty-three billion, nine hundred seventy-five million, one hundred ninety-four thousand, six hundred eighteen".