1155755016 has 96 divisors (see below), whose sum is σ = 3395934360. Its totient is φ = 352982016.

The previous prime is 1155755011. The next prime is 1155755021. The reversal of 1155755016 is 6105575511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1155755011) and next prime (1155755021).

It can be written as a sum of positive squares in 4 ways, for example, as 826332516 + 329422500 = 28746^2 + 18150^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1155755011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123726 + ... + 132738.

Almost surely, 2^1155755016 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 1155755016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697967180).

1155755016 is an abundant number, since it is smaller than the sum of its proper divisors (2240179344).

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

1155755016 is a wasteful number, since it uses less digits than its factorization.

1155755016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175 (or 9168 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The square root of 1155755016 is about 33996.3971032226. The cubic root of 1155755016 is about 1049.4343184262.

The spelling of 1155755016 in words is "one billion, one hundred fifty-five million, seven hundred fifty-five thousand, sixteen".