11881808503375 has 16 divisors (see below), whose sum is σ = 14828659971840. Its totient is φ = 9505342341600.

The previous prime is 11881808503373. The next prime is 11881808503391. The reversal of 11881808503375 is 57330580818811.

It is a happy number.

It is not a de Polignac number, because 11881808503375 - 2¹ = 11881808503373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881808503373) 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, 12115921 + ... + 13059829.

It is an arithmetic number, because the mean of its divisors is an integer number (926791248240).

Almost surely, 2^{11881808503375} is an apocalyptic number.

11881808503375 is a deficient number, since it is larger than the sum of its proper divisors (2946851468465).

11881808503375 is an equidigital number, since it uses as much as digits as its factorization.

11881808503375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044627 (or 1044617 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 58.

The spelling of 11881808503375 in words is "eleven trillion, eight hundred eighty-one billion, eight hundred eight million, five hundred three thousand, three hundred seventy-five".