1103266745849 has 2 divisors, whose sum is σ = 1103266745850. Its totient is φ = 1103266745848.

The previous prime is 1103266745831. The next prime is 1103266745879. The reversal of 1103266745849 is 9485476623011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085020139449 + 18246606400 = 1041643^2 + 135080^2 .

It is an emirp because it is prime and its reverse (9485476623011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103266745849 - 2⁸ = 1103266745593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103266745794 and 1103266745803.

It is not a weakly prime, because it can be changed into another prime (1103266745879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551633372924 + 551633372925.

It is an arithmetic number, because the mean of its divisors is an integer number (551633372925).

It is a 1-persistent number, because it is pandigital, but 2⋅1103266745849 = 2206533491698 is not.

Almost surely, 2^{1103266745849} is an apocalyptic number.

It is an amenable number.

1103266745849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103266745849 is an equidigital number, since it uses as much as digits as its factorization.

1103266745849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 1103266745849 in words is "one trillion, one hundred three billion, two hundred sixty-six million, seven hundred forty-five thousand, eight hundred forty-nine".