11986411078 has 8 divisors (see below), whose sum is σ = 18397747368. Its totient is φ = 5853828624.

The previous prime is 11986411039. The next prime is 11986411111. The reversal of 11986411078 is 87011468911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11986411078² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69688351 + ... + 69688522.

It is an arithmetic number, because the mean of its divisors is an integer number (2299718421).

Almost surely, 2^11986411078 is an apocalyptic number.

11986411078 is a deficient number, since it is larger than the sum of its proper divisors (6411336290).

11986411078 is a wasteful number, since it uses less digits than its factorization.

11986411078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139376918.

The product of its (nonzero) digits is 96768, while the sum is 46.

Adding to 11986411078 its reverse (87011468911), we get a palindrome (98997879989).

The spelling of 11986411078 in words is "eleven billion, nine hundred eighty-six million, four hundred eleven thousand, seventy-eight".