11882494487 has 2 divisors, whose sum is σ = 11882494488. Its totient is φ = 11882494486.

The previous prime is 11882494441. The next prime is 11882494511. The reversal of 11882494487 is 78449428811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11882494487 - 2⁸ = 11882494231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11882499487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5941247243 + 5941247244.

It is an arithmetic number, because the mean of its divisors is an integer number (5941247244).

Almost surely, 2^11882494487 is an apocalyptic number.

11882494487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11882494487 is an equidigital number, since it uses as much as digits as its factorization.

11882494487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4128768, while the sum is 56.

The spelling of 11882494487 in words is "eleven billion, eight hundred eighty-two million, four hundred ninety-four thousand, four hundred eighty-seven".