11876788555831 has 4 divisors (see below), whose sum is σ = 11933076653464. Its totient is φ = 11820500458200.

The previous prime is 11876788555781. The next prime is 11876788555969. The reversal of 11876788555831 is 13855588767811.

11876788555831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11876788555831 - 2¹⁹ = 11876788031543 is a prime.

It is a super-2 number, since 2×11876788555831² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11876788555631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28144048500 + ... + 28144048921.

It is an arithmetic number, because the mean of its divisors is an integer number (2983269163366).

Almost surely, 2^{11876788555831} is an apocalyptic number.

11876788555831 is a deficient number, since it is larger than the sum of its proper divisors (56288097633).

11876788555831 is an equidigital number, since it uses as much as digits as its factorization.

11876788555831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56288097632.

The product of its digits is 451584000, while the sum is 73.

The spelling of 11876788555831 in words is "eleven trillion, eight hundred seventy-six billion, seven hundred eighty-eight million, five hundred fifty-five thousand, eight hundred thirty-one".