1156051144 has 16 divisors (see below), whose sum is σ = 2168187120. Its totient is φ = 577867920.

The previous prime is 1156051123. The next prime is 1156051147. The reversal of 1156051144 is 4411506511.

It is not an unprimeable number, because it can be changed into a prime (1156051147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15067 + ... + 50389.

It is an arithmetic number, because the mean of its divisors is an integer number (135511695).

Almost surely, 2^1156051144 is an apocalyptic number.

It is an amenable number.

1156051144 is a deficient number, since it is larger than the sum of its proper divisors (1012135976).

1156051144 is a wasteful number, since it uses less digits than its factorization.

1156051144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420 (or 39416 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1156051144 is about 34000.7521093284. The cubic root of 1156051144 is about 1049.5239395956.

Adding to 1156051144 its reverse (4411506511), we get a palindrome (5567557655).

The spelling of 1156051144 in words is "one billion, one hundred fifty-six million, fifty-one thousand, one hundred forty-four".