111042401941 has 2 divisors, whose sum is σ = 111042401942. Its totient is φ = 111042401940.

The previous prime is 111042401933. The next prime is 111042401957. The reversal of 111042401941 is 149104240111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65871275716 + 45171126225 = 256654^2 + 212535^2 .

It is a cyclic number.

It is not a de Polignac number, because 111042401941 - 2³ = 111042401933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111042402941) 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, 55521200970 + 55521200971.

It is an arithmetic number, because the mean of its divisors is an integer number (55521200971).

Almost surely, 2^111042401941 is an apocalyptic number.

It is an amenable number.

111042401941 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042401941 is an equidigital number, since it uses as much as digits as its factorization.

111042401941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 111042401941 in words is "one hundred eleven billion, forty-two million, four hundred one thousand, nine hundred forty-one".