111362016431 has 2 divisors, whose sum is σ = 111362016432. Its totient is φ = 111362016430.

The previous prime is 111362016427. The next prime is 111362016481. The reversal of 111362016431 is 134610263111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111362016431 - 2² = 111362016427 is a prime.

It is a super-2 number, since 2×111362016431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111362016394 and 111362016403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111362016401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55681008215 + 55681008216.

It is an arithmetic number, because the mean of its divisors is an integer number (55681008216).

Almost surely, 2^111362016431 is an apocalyptic number.

111362016431 is a deficient number, since it is larger than the sum of its proper divisors (1).

111362016431 is an equidigital number, since it uses as much as digits as its factorization.

111362016431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 111362016431 its reverse (134610263111), we get a palindrome (245972279542).

The spelling of 111362016431 in words is "one hundred eleven billion, three hundred sixty-two million, sixteen thousand, four hundred thirty-one".