111873584477 has 2 divisors, whose sum is σ = 111873584478. Its totient is φ = 111873584476.

The previous prime is 111873584453. The next prime is 111873584489. The reversal of 111873584477 is 774485378111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99717639961 + 12155944516 = 315781^2 + 110254^2 .

It is a cyclic number.

It is not a de Polignac number, because 111873584477 - 2¹⁸ = 111873322333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111873584177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55936792238 + 55936792239.

It is an arithmetic number, because the mean of its divisors is an integer number (55936792239).

Almost surely, 2^111873584477 is an apocalyptic number.

It is an amenable number.

111873584477 is a deficient number, since it is larger than the sum of its proper divisors (1).

111873584477 is an equidigital number, since it uses as much as digits as its factorization.

111873584477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5268480, while the sum is 56.

The spelling of 111873584477 in words is "one hundred eleven billion, eight hundred seventy-three million, five hundred eighty-four thousand, four hundred seventy-seven".