111100532047 has 2 divisors, whose sum is σ = 111100532048. Its totient is φ = 111100532046.

The previous prime is 111100532033. The next prime is 111100532077. The reversal of 111100532047 is 740235001111.

It is a weak prime.

It is an emirp because it is prime and its reverse (740235001111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111100532047 is a prime.

It is a super-2 number, since 2×111100532047² (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 (111100532077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550266023 + 55550266024.

It is an arithmetic number, because the mean of its divisors is an integer number (55550266024).

Almost surely, 2^111100532047 is an apocalyptic number.

111100532047 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100532047 is an equidigital number, since it uses as much as digits as its factorization.

111100532047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 111100532047 its reverse (740235001111), we get a palindrome (851335533158).

The spelling of 111100532047 in words is "one hundred eleven billion, one hundred million, five hundred thirty-two thousand, forty-seven".