1111000011101 has 2 divisors, whose sum is σ = 1111000011102. Its totient is φ = 1111000011100.

The previous prime is 1111000011091. The next prime is 1111000011137. The reversal of 1111000011101 is 1011100001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110083496025 + 916515076 = 1053605^2 + 30274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111000011101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111000011001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500005550 + 555500005551.

It is an arithmetic number, because the mean of its divisors is an integer number (555500005551).

Almost surely, 2^{1111000011101} is an apocalyptic number.

It is an amenable number.

1111000011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000011101 is an equidigital number, since it uses as much as digits as its factorization.

1111000011101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1111000011101 its reverse (1011100001111), we get a palindrome (2122100012212).

It can be divided in two parts, 111100001110 and 1, that added together give a palindrome (111100001111).

The spelling of 1111000011101 in words is "one trillion, one hundred eleven billion, eleven thousand, one hundred one".