11560255500 has 384 divisors, whose sum is σ = 37362124800. Its totient is φ = 2765952000.

The previous prime is 11560255489. The next prime is 11560255547. The reversal of 11560255500 is 555206511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 58681402 + ... + 58681598.

It is an arithmetic number, because the mean of its divisors is an integer number (97297200).

Almost surely, 2^11560255500 is an apocalyptic number.

11560255500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11560255500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18681062400).

11560255500 is an abundant number, since it is smaller than the sum of its proper divisors (25801869300).

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

11560255500 is a wasteful number, since it uses less digits than its factorization.

11560255500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 11560255500 in words is "eleven billion, five hundred sixty million, two hundred fifty-five thousand, five hundred".