1141985711218 has 32 divisors (see below), whose sum is σ = 1896826533120. Its totient is φ = 511274462160.

The previous prime is 1141985711201. The next prime is 1141985711257. The reversal of 1141985711218 is 8121175891411.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13310205 + ... + 13395727.

It is an arithmetic number, because the mean of its divisors is an integer number (59275829160).

Almost surely, 2^{1141985711218} is an apocalyptic number.

1141985711218 is a deficient number, since it is larger than the sum of its proper divisors (754840821902).

1141985711218 is a wasteful number, since it uses less digits than its factorization.

1141985711218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94662.

The product of its digits is 161280, while the sum is 49.

The spelling of 1141985711218 in words is "one trillion, one hundred forty-one billion, nine hundred eighty-five million, seven hundred eleven thousand, two hundred eighteen".