1158040011918 has 16 divisors (see below), whose sum is σ = 2322641161296. Its totient is φ = 384919814400.

The previous prime is 1158040011907. The next prime is 1158040011971. The reversal of 1158040011918 is 8191100408511.

It is a congruent number.

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, 273378433 + ... + 273382668.

It is an arithmetic number, because the mean of its divisors is an integer number (145165072581).

Almost surely, 2^{1158040011918} is an apocalyptic number.

1158040011918 is an abundant number, since it is smaller than the sum of its proper divisors (1164601149378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158040011918 is a wasteful number, since it uses less digits than its factorization.

1158040011918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546761459.

The product of its (nonzero) digits is 11520, while the sum is 39.

The spelling of 1158040011918 in words is "one trillion, one hundred fifty-eight billion, forty million, eleven thousand, nine hundred eighteen".