1150156055 has 8 divisors (see below), whose sum is σ = 1440195552. Its totient is φ = 880119328.

The previous prime is 1150156043. The next prime is 1150156081. The reversal of 1150156055 is 5506510511.

It is a happy number.

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 1150156055 - 2⁶ = 1150155991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000564 + ... + 5000793.

It is an arithmetic number, because the mean of its divisors is an integer number (180024444).

Almost surely, 2^1150156055 is an apocalyptic number.

1150156055 is a deficient number, since it is larger than the sum of its proper divisors (290039497).

1150156055 is a wasteful number, since it uses less digits than its factorization.

1150156055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001385.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 1150156055 is about 33913.9507430202. The cubic root of 1150156055 is about 1047.7369415190.

Adding to 1150156055 its reverse (5506510511), we get a palindrome (6656666566).

The spelling of 1150156055 in words is "one billion, one hundred fifty million, one hundred fifty-six thousand, fifty-five".