11594778340 has 48 divisors (see below), whose sum is σ = 24719975280. Its totient is φ = 4567449600.

The previous prime is 11594778271. The next prime is 11594778341. The reversal of 11594778340 is 4387749511.

It can be written as a sum of positive squares in 8 ways, for example, as 94789696 + 11499988644 = 9736^2 + 107238^2 .

It is not an unprimeable number, because it can be changed into a prime (11594778341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017796 + ... + 1029124.

It is an arithmetic number, because the mean of its divisors is an integer number (514999485).

Almost surely, 2^11594778340 is an apocalyptic number.

11594778340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11594778340 is an abundant number, since it is smaller than the sum of its proper divisors (13125196940).

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

11594778340 is a wasteful number, since it uses less digits than its factorization.

11594778340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112 (or 12110 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 11594778340 in words is "eleven billion, five hundred ninety-four million, seven hundred seventy-eight thousand, three hundred forty".