11566130378 has 32 divisors (see below), whose sum is σ = 19591701120. Its totient is φ = 5072760000.

The previous prime is 11566130377. The next prime is 11566130417. The reversal of 11566130378 is 87303166511.

It is not an unprimeable number, because it can be changed into a prime (11566130377) 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, 1163228 + ... + 1173128.

It is an arithmetic number, because the mean of its divisors is an integer number (612240660).

Almost surely, 2^11566130378 is an apocalyptic number.

11566130378 is a deficient number, since it is larger than the sum of its proper divisors (8025570742).

11566130378 is a wasteful number, since it uses less digits than its factorization.

11566130378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774.

The product of its (nonzero) digits is 90720, while the sum is 41.

Adding to 11566130378 its reverse (87303166511), we get a palindrome (98869296889).

The spelling of 11566130378 in words is "eleven billion, five hundred sixty-six million, one hundred thirty thousand, three hundred seventy-eight".