11115596790 has 160 divisors (see below), whose sum is σ = 31547197440. Its totient is φ = 2800526400.

The previous prime is 11115596759. The next prime is 11115596813. The reversal of 11115596790 is 9769551111.

It is a happy number.

11115596790 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 559 + 6 + 7 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7555755 + ... + 7557225.

It is an arithmetic number, because the mean of its divisors is an integer number (197169984).

Almost surely, 2^11115596790 is an apocalyptic number.

11115596790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11115596790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15773598720).

11115596790 is an abundant number, since it is smaller than the sum of its proper divisors (20431600650).

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

11115596790 is a wasteful number, since it uses less digits than its factorization.

11115596790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 45.

The spelling of 11115596790 in words is "eleven billion, one hundred fifteen million, five hundred ninety-six thousand, seven hundred ninety".