111048631 has 2 divisors, whose sum is σ = 111048632. Its totient is φ = 111048630.

The previous prime is 111048611. The next prime is 111048647. The reversal of 111048631 is 136840111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111048631 - 2⁵ = 111048599 is a prime.

It is a super-2 number, since 2×111048631² = 24663596893948322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111048596 and 111048605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111048611) 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 as a sum of consecutive naturals, namely, 55524315 + 55524316.

It is an arithmetic number, because the mean of its divisors is an integer number (55524316).

Almost surely, 2^111048631 is an apocalyptic number.

111048631 is a deficient number, since it is larger than the sum of its proper divisors (1).

111048631 is an equidigital number, since it uses as much as digits as its factorization.

111048631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 111048631 is about 10537.9614252473. The cubic root of 111048631 is about 480.6597279598.

Adding to 111048631 its reverse (136840111), we get a palindrome (247888742).

The spelling of 111048631 in words is "one hundred eleven million, forty-eight thousand, six hundred thirty-one".