111204425432461 has 2 divisors, whose sum is σ = 111204425432462. Its totient is φ = 111204425432460.

The previous prime is 111204425432413. The next prime is 111204425432467. The reversal of 111204425432461 is 164234524402111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109943487335236 + 1260938097225 = 10485394^2 + 1122915^2 .

It is a cyclic number.

It is not a de Polignac number, because 111204425432461 - 2⁷ = 111204425432333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111204425432467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602212716230 + 55602212716231.

It is an arithmetic number, because the mean of its divisors is an integer number (55602212716231).

Almost surely, 2^{111204425432461} is an apocalyptic number.

It is an amenable number.

111204425432461 is a deficient number, since it is larger than the sum of its proper divisors (1).

111204425432461 is an equidigital number, since it uses as much as digits as its factorization.

111204425432461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 40.

Adding to 111204425432461 its reverse (164234524402111), we get a palindrome (275438949834572).

The spelling of 111204425432461 in words is "one hundred eleven trillion, two hundred four billion, four hundred twenty-five million, four hundred thirty-two thousand, four hundred sixty-one".