1110088555661 has 2 divisors, whose sum is σ = 1110088555662. Its totient is φ = 1110088555660.

The previous prime is 1110088555571. The next prime is 1110088555669. The reversal of 1110088555661 is 1665558800111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682920432100 + 427168123561 = 826390^2 + 653581^2 .

It is an emirp because it is prime and its reverse (1665558800111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110088555661 - 2²⁶ = 1110021446797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110088555669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555044277830 + 555044277831.

It is an arithmetic number, because the mean of its divisors is an integer number (555044277831).

Almost surely, 2^{1110088555661} is an apocalyptic number.

It is an amenable number.

1110088555661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110088555661 is an equidigital number, since it uses as much as digits as its factorization.

1110088555661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 47.

The spelling of 1110088555661 in words is "one trillion, one hundred ten billion, eighty-eight million, five hundred fifty-five thousand, six hundred sixty-one".