1159156141 has 32 divisors (see below), whose sum is σ = 1403127936. Its totient is φ = 943488000.

The previous prime is 1159156133. The next prime is 1159156157. The reversal of 1159156141 is 1416519511.

It is a happy number.

It is not a de Polignac number, because 1159156141 - 2³ = 1159156133 is a prime.

It is a super-3 number, since 3×1159156141³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1159156097 and 1159156106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159156121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236625 + ... + 1237561.

It is an arithmetic number, because the mean of its divisors is an integer number (43847748).

Almost surely, 2^1159156141 is an apocalyptic number.

1159156141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1159156141 is a deficient number, since it is larger than the sum of its proper divisors (243971795).

1159156141 is a wasteful number, since it uses less digits than its factorization.

1159156141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its digits is 5400, while the sum is 34.

The square root of 1159156141 is about 34046.3822013441. The cubic root of 1159156141 is about 1050.4627260582.

The spelling of 1159156141 in words is "one billion, one hundred fifty-nine million, one hundred fifty-six thousand, one hundred forty-one".