11876788555631 has 2 divisors, whose sum is σ = 11876788555632. Its totient is φ = 11876788555630.

The previous prime is 11876788555603. The next prime is 11876788555673. The reversal of 11876788555631 is 13655588767811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11876788555631 is a prime.

It is a super-2 number, since 2×11876788555631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11876788545631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938394277815 + 5938394277816.

It is an arithmetic number, because the mean of its divisors is an integer number (5938394277816).

Almost surely, 2^{11876788555631} is an apocalyptic number.

11876788555631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11876788555631 is an equidigital number, since it uses as much as digits as its factorization.

11876788555631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688000, while the sum is 71.

The spelling of 11876788555631 in words is "eleven trillion, eight hundred seventy-six billion, seven hundred eighty-eight million, five hundred fifty-five thousand, six hundred thirty-one".