11787188114388 has 96 divisors (see below), whose sum is σ = 29230501708800. Its totient is φ = 3689271615744.

The previous prime is 11787188114321. The next prime is 11787188114431. The reversal of 11787188114388 is 88341188178711.

It is a super-2 number, since 2×11787188114388² (a number of 27 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 31 ways as a sum of consecutive naturals, for example, 1688295 + ... + 5140497.

It is an arithmetic number, because the mean of its divisors is an integer number (304484392800).

Almost surely, 2^{11787188114388} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11787188114388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14615250854400).

11787188114388 is an abundant number, since it is smaller than the sum of its proper divisors (17443313594412).

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

11787188114388 is a wasteful number, since it uses less digits than its factorization.

11787188114388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452461 (or 3452459 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 66.

The spelling of 11787188114388 in words is "eleven trillion, seven hundred eighty-seven billion, one hundred eighty-eight million, one hundred fourteen thousand, three hundred eighty-eight".