1159112155 has 8 divisors (see below), whose sum is σ = 1391778000. Its totient is φ = 926727456.

The previous prime is 1159112147. The next prime is 1159112159. The reversal of 1159112155 is 5512119511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1159112155 - 2³ = 1159112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1159112159) 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, 61105 + ... + 77794.

It is an arithmetic number, because the mean of its divisors is an integer number (173972250).

Almost surely, 2^1159112155 is an apocalyptic number.

1159112155 is a deficient number, since it is larger than the sum of its proper divisors (232665845).

1159112155 is a wasteful number, since it uses less digits than its factorization.

1159112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140573.

The product of its digits is 2250, while the sum is 31.

The square root of 1159112155 is about 34045.7362234979. The cubic root of 1159112155 is about 1050.4494387375.

The spelling of 1159112155 in words is "one billion, one hundred fifty-nine million, one hundred twelve thousand, one hundred fifty-five".