1159168199278 has 16 divisors (see below), whose sum is σ = 1754258789520. Its totient is φ = 574437597696.

The previous prime is 1159168199251. The next prime is 1159168199279. The reversal of 1159168199278 is 8729918619511.

It is a super-2 number, since 2×1159168199278² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159168199279) 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, 5478000 + ... + 5685667.

It is an arithmetic number, because the mean of its divisors is an integer number (109641174345).

Almost surely, 2^{1159168199278} is an apocalyptic number.

1159168199278 is a deficient number, since it is larger than the sum of its proper divisors (595090590242).

1159168199278 is a wasteful number, since it uses less digits than its factorization.

1159168199278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164131.

The product of its digits is 19595520, while the sum is 67.

The spelling of 1159168199278 in words is "one trillion, one hundred fifty-nine billion, one hundred sixty-eight million, one hundred ninety-nine thousand, two hundred seventy-eight".