111217460427 has 10 divisors (see below), whose sum is σ = 166139663228. Its totient is φ = 74144973564.

The previous prime is 111217460383. The next prime is 111217460461. The reversal of 111217460427 is 724064712111.

111217460427 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 174 + 60 + 427 = 666.

It is not a de Polignac number, because 111217460427 - 2⁶ = 111217460363 is a prime.

It is a super-2 number, since 2×111217460427² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111217460391 and 111217460400.

It is not an unprimeable number, because it can be changed into a prime (111217462427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 686527453 + ... + 686527614.

Almost surely, 2^111217460427 is an apocalyptic number.

111217460427 is a deficient number, since it is larger than the sum of its proper divisors (54922202801).

111217460427 is an equidigital number, since it uses as much as digits as its factorization.

111217460427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373055079 (or 1373055070 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 111217460427 in words is "one hundred eleven billion, two hundred seventeen million, four hundred sixty thousand, four hundred twenty-seven".