1156319055 has 36 divisors (see below), whose sum is σ = 2025903672. Its totient is φ = 610122240.

The previous prime is 1156319033. The next prime is 1156319161. The reversal of 1156319055 is 5509136511.

1156319055 is a `hidden beast` number, since 1 + 1 + 563 + 1 + 90 + 5 + 5 = 666.

It is not a de Polignac number, because 1156319055 - 2⁶ = 1156318991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 422040 + ... + 424770.

It is an arithmetic number, because the mean of its divisors is an integer number (56275102).

Almost surely, 2^1156319055 is an apocalyptic number.

1156319055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1156319055 is a deficient number, since it is larger than the sum of its proper divisors (869584617).

1156319055 is an equidigital number, since it uses as much as digits as its factorization.

1156319055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2836 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 36.

The square root of 1156319055 is about 34004.6916615928. The cubic root of 1156319055 is about 1049.6050078919.

The spelling of 1156319055 in words is "one billion, one hundred fifty-six million, three hundred nineteen thousand, fifty-five".