111477983 has 2 divisors, whose sum is σ = 111477984. Its totient is φ = 111477982.

The previous prime is 111477967. The next prime is 111477991. The reversal of 111477983 is 389774111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111477983 - 2⁴ = 111477967 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111477983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111474983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55738991 + 55738992.

It is an arithmetic number, because the mean of its divisors is an integer number (55738992).

Almost surely, 2^111477983 is an apocalyptic number.

111477983 is a deficient number, since it is larger than the sum of its proper divisors (1).

111477983 is an equidigital number, since it uses as much as digits as its factorization.

111477983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 111477983 is about 10558.3134543354. The cubic root of 111477983 is about 481.2783963005.

It can be divided in two parts, 1114 and 77983, that added together give a palindrome (79097).

The spelling of 111477983 in words is "one hundred eleven million, four hundred seventy-seven thousand, nine hundred eighty-three".