1158158462818 has 16 divisors (see below), whose sum is σ = 1987285800384. Its totient is φ = 495885803760.

The previous prime is 1158158462807. The next prime is 1158158462819. The reversal of 1158158462818 is 8182648518511.

It is a super-2 number, since 2×1158158462818² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1158158462819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38969880 + ... + 38999587.

It is an arithmetic number, because the mean of its divisors is an integer number (124205362524).

Almost surely, 2^{1158158462818} is an apocalyptic number.

1158158462818 is a deficient number, since it is larger than the sum of its proper divisors (829127337566).

1158158462818 is a wasteful number, since it uses less digits than its factorization.

1158158462818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77970537.

The product of its digits is 4915200, while the sum is 58.

The spelling of 1158158462818 in words is "one trillion, one hundred fifty-eight billion, one hundred fifty-eight million, four hundred sixty-two thousand, eight hundred eighteen".