111598801 has 2 divisors, whose sum is σ = 111598802. Its totient is φ = 111598800.

The previous prime is 111598793. The next prime is 111598807. The reversal of 111598801 is 108895111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108139201 + 3459600 = 10399^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 111598801 - 2³ = 111598793 is a prime.

It is not a weakly prime, because it can be changed into another prime (111598807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55799400 + 55799401.

It is an arithmetic number, because the mean of its divisors is an integer number (55799401).

Almost surely, 2^111598801 is an apocalyptic number.

It is an amenable number.

111598801 is a deficient number, since it is larger than the sum of its proper divisors (1).

111598801 is an equidigital number, since it uses as much as digits as its factorization.

111598801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 34.

The square root of 111598801 is about 10564.0333679897. The cubic root of 111598801 is about 481.4522007238.

The spelling of 111598801 in words is "one hundred eleven million, five hundred ninety-eight thousand, eight hundred one".