1111102775551 has 2 divisors, whose sum is σ = 1111102775552. Its totient is φ = 1111102775550.

The previous prime is 1111102775543. The next prime is 1111102775597. The reversal of 1111102775551 is 1555772011111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111102775551 - 2³ = 1111102775543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111102775551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111102775851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555551387775 + 555551387776.

It is an arithmetic number, because the mean of its divisors is an integer number (555551387776).

Almost surely, 2^{1111102775551} is an apocalyptic number.

1111102775551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111102775551 is an equidigital number, since it uses as much as digits as its factorization.

1111102775551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12250, while the sum is 37.

Adding to 1111102775551 its reverse (1555772011111), we get a palindrome (2666874786662).

It can be divided in two parts, 1111102 and 775551, that added together give a triangular number (1886653 = T₁₉₄₂).

The spelling of 1111102775551 in words is "one trillion, one hundred eleven billion, one hundred two million, seven hundred seventy-five thousand, five hundred fifty-one".