1100115543361 has 2 divisors, whose sum is σ = 1100115543362. Its totient is φ = 1100115543360.

The previous prime is 1100115543341. The next prime is 1100115543367. The reversal of 1100115543361 is 1633455110011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026815395761 + 73300147600 = 1013319^2 + 270740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100115543361 - 2⁹ = 1100115542849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100115543367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550057771680 + 550057771681.

It is an arithmetic number, because the mean of its divisors is an integer number (550057771681).

Almost surely, 2^{1100115543361} is an apocalyptic number.

It is an amenable number.

1100115543361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100115543361 is an equidigital number, since it uses as much as digits as its factorization.

1100115543361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1100115543361 in words is "one trillion, one hundred billion, one hundred fifteen million, five hundred forty-three thousand, three hundred sixty-one".