111001434311587 has 2 divisors, whose sum is σ = 111001434311588. Its totient is φ = 111001434311586.

The previous prime is 111001434311561. The next prime is 111001434311653. The reversal of 111001434311587 is 785113434100111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111001434311587 is a prime.

It is not a weakly prime, because it can be changed into another prime (111001434341587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500717155793 + 55500717155794.

It is an arithmetic number, because the mean of its divisors is an integer number (55500717155794).

Almost surely, 2^{111001434311587} is an apocalyptic number.

111001434311587 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001434311587 is an equidigital number, since it uses as much as digits as its factorization.

111001434311587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

Adding to 111001434311587 its reverse (785113434100111), we get a palindrome (896114868411698).

The spelling of 111001434311587 in words is "one hundred eleven trillion, one billion, four hundred thirty-four million, three hundred eleven thousand, five hundred eighty-seven".