1103210678813 has 2 divisors, whose sum is σ = 1103210678814. Its totient is φ = 1103210678812.

The previous prime is 1103210678789. The next prime is 1103210678819. The reversal of 1103210678813 is 3188760123011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657336642169 + 445874036644 = 810763^2 + 667738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103210678813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103210678819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551605339406 + 551605339407.

It is an arithmetic number, because the mean of its divisors is an integer number (551605339407).

Almost surely, 2^{1103210678813} is an apocalyptic number.

It is an amenable number.

1103210678813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103210678813 is an equidigital number, since it uses as much as digits as its factorization.

1103210678813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 1103210678813 in words is "one trillion, one hundred three billion, two hundred ten million, six hundred seventy-eight thousand, eight hundred thirteen".