1150156056 has 64 divisors (see below), whose sum is σ = 3309868800. Its totient is φ = 326245248.

The previous prime is 1150156043. The next prime is 1150156081. The reversal of 1150156056 is 6506510511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275 + ... + 47978.

It is an arithmetic number, because the mean of its divisors is an integer number (51716700).

Almost surely, 2^1150156056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150156056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654934400).

1150156056 is an abundant number, since it is smaller than the sum of its proper divisors (2159712744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150156056 is a wasteful number, since it uses less digits than its factorization.

1150156056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49408 (or 49404 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1150156056 is about 33913.9507577634. The cubic root of 1150156056 is about 1047.7369418226.

Adding to 1150156056 its reverse (6506510511), we get a palindrome (7656666567).

The spelling of 1150156056 in words is "one billion, one hundred fifty million, one hundred fifty-six thousand, fifty-six".