111216513047 has 2 divisors, whose sum is σ = 111216513048. Its totient is φ = 111216513046.

The previous prime is 111216513029. The next prime is 111216513193. The reversal of 111216513047 is 740315612111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111216513047 - 2⁶ = 111216512983 is a prime.

It is a super-2 number, since 2×111216513047² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111216510047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55608256523 + 55608256524.

It is an arithmetic number, because the mean of its divisors is an integer number (55608256524).

Almost surely, 2^111216513047 is an apocalyptic number.

111216513047 is a deficient number, since it is larger than the sum of its proper divisors (1).

111216513047 is an equidigital number, since it uses as much as digits as its factorization.

111216513047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 111216513047 in words is "one hundred eleven billion, two hundred sixteen million, five hundred thirteen thousand, forty-seven".