11787274069440 has 224 divisors, whose sum is σ = 39949164541440. Its totient is φ = 2935895961600.

The previous prime is 11787274069391. The next prime is 11787274069447. The reversal of 11787274069440 is 4496047278711.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11787274069447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3255891 + ... + 5845970.

It is an arithmetic number, because the mean of its divisors is an integer number (178344484560).

Almost surely, 2^{11787274069440} is an apocalyptic number.

11787274069440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11787274069440 is an abundant number, since it is smaller than the sum of its proper divisors (28161890472000).

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

11787274069440 is a wasteful number, since it uses less digits than its factorization.

11787274069440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9101971 (or 9101961 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 11787274069440 in words is "eleven trillion, seven hundred eighty-seven billion, two hundred seventy-four million, sixty-nine thousand, four hundred forty".