111535335601 has 2 divisors, whose sum is σ = 111535335602. Its totient is φ = 111535335600.

The previous prime is 111535335563. The next prime is 111535335617. The reversal of 111535335601 is 106533535111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69379033201 + 42156302400 = 263399^2 + 205320^2 .

It is a cyclic number.

It is not a de Polignac number, because 111535335601 - 2¹⁵ = 111535302833 is a prime.

It is not a weakly prime, because it can be changed into another prime (111535335631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55767667800 + 55767667801.

It is an arithmetic number, because the mean of its divisors is an integer number (55767667801).

Almost surely, 2^111535335601 is an apocalyptic number.

It is an amenable number.

111535335601 is a deficient number, since it is larger than the sum of its proper divisors (1).

111535335601 is an equidigital number, since it uses as much as digits as its factorization.

111535335601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 34.

The spelling of 111535335601 in words is "one hundred eleven billion, five hundred thirty-five million, three hundred thirty-five thousand, six hundred one".