111040531039987 has 2 divisors, whose sum is σ = 111040531039988. Its totient is φ = 111040531039986.

The previous prime is 111040531039979. The next prime is 111040531040003. The reversal of 111040531039987 is 789930135040111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111040531039987 - 2³ = 111040531039979 is a prime.

It is not a weakly prime, because it can be changed into another prime (111040531039957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55520265519993 + 55520265519994.

It is an arithmetic number, because the mean of its divisors is an integer number (55520265519994).

Almost surely, 2^{111040531039987} is an apocalyptic number.

111040531039987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111040531039987 is an equidigital number, since it uses as much as digits as its factorization.

111040531039987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 111040531039987 in words is "one hundred eleven trillion, forty billion, five hundred thirty-one million, thirty-nine thousand, nine hundred eighty-seven".