111140424424 has 8 divisors (see below), whose sum is σ = 208388295810. Its totient is φ = 55570212208.

The previous prime is 111140424379. The next prime is 111140424469. The reversal of 111140424424 is 424424041111.

It is an interprime number because it is at equal distance from previous prime (111140424379) and next prime (111140424469).

It can be written as a sum of positive squares in only one way, i.e., 81390384100 + 29750040324 = 285290^2 + 172482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×111140424424² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111140424392 and 111140424401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946276519 + ... + 6946276534.

Almost surely, 2^111140424424 is an apocalyptic number.

It is an amenable number.

111140424424 is a deficient number, since it is larger than the sum of its proper divisors (97247871386).

111140424424 is a wasteful number, since it uses less digits than its factorization.

111140424424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892553059 (or 13892553055 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 111140424424 its reverse (424424041111), we get a palindrome (535564465535).

The spelling of 111140424424 in words is "one hundred eleven billion, one hundred forty million, four hundred twenty-four thousand, four hundred twenty-four".