1155105264 has 160 divisors (see below), whose sum is σ = 3260505600. Its totient is φ = 351267840.

The previous prime is 1155105253. The next prime is 1155105269. The reversal of 1155105264 is 4625015511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155105269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3489579 + ... + 3489909.

It is an arithmetic number, because the mean of its divisors is an integer number (20378160).

Almost surely, 2^1155105264 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 1155105264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630252800).

1155105264 is an abundant number, since it is smaller than the sum of its proper divisors (2105400336).

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

1155105264 is a wasteful number, since it uses less digits than its factorization.

1155105264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1155105264 is about 33986.8395706338. The cubic root of 1155105264 is about 1049.2376216471.

The spelling of 1155105264 in words is "one billion, one hundred fifty-five million, one hundred five thousand, two hundred sixty-four".