11386156656 has 200 divisors, whose sum is σ = 35432605184. Its totient is φ = 3147258240.

The previous prime is 11386156643. The next prime is 11386156669. The reversal of 11386156656 is 65665168311.

It is an interprime number because it is at equal distance from previous prime (11386156643) and next prime (11386156669).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3571095 + ... + 3574281.

Almost surely, 2^11386156656 is an apocalyptic number.

11386156656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11386156656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17716302592).

11386156656 is an abundant number, since it is smaller than the sum of its proper divisors (24046448528).

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

11386156656 is an equidigital number, since it uses as much as digits as its factorization.

11386156656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257 (or 3230 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The spelling of 11386156656 in words is "eleven billion, three hundred eighty-six million, one hundred fifty-six thousand, six hundred fifty-six".