11305125078 has 96 divisors (see below), whose sum is σ = 25167158016. Its totient is φ = 3365280000.

The previous prime is 11305125067. The next prime is 11305125101. The reversal of 11305125078 is 87052150311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19798533 + ... + 19799103.

It is an arithmetic number, because the mean of its divisors is an integer number (262157896).

Almost surely, 2^11305125078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11305125078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12583579008).

11305125078 is an abundant number, since it is smaller than the sum of its proper divisors (13862032938).

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

11305125078 is a wasteful number, since it uses less digits than its factorization.

11305125078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

Adding to 11305125078 its reverse (87052150311), we get a palindrome (98357275389).

The spelling of 11305125078 in words is "eleven billion, three hundred five million, one hundred twenty-five thousand, seventy-eight".