1155059316 has 108 divisors (see below), whose sum is σ = 3044016612. Its totient is φ = 369128448.

The previous prime is 1155059293. The next prime is 1155059351. The reversal of 1155059316 is 6139505511.

1155059316 is a `hidden beast` number, since 1 + 1 + 5 + 50 + 593 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 679644900 + 475414416 = 26070^2 + 21804^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 11907780 + ... + 11907876.

It is an arithmetic number, because the mean of its divisors is an integer number (28185339).

Almost surely, 2^1155059316 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 1155059316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522008306).

1155059316 is an abundant number, since it is smaller than the sum of its proper divisors (1888957296).

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

1155059316 is a wasteful number, since it uses less digits than its factorization.

1155059316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 234 counting only the distinct ones).

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

The square root of 1155059316 is about 33986.1635963814. The cubic root of 1155059316 is about 1049.2237092038.

The spelling of 1155059316 in words is "one billion, one hundred fifty-five million, fifty-nine thousand, three hundred sixteen".