1303555055109 has 4 divisors (see below), whose sum is σ = 1738073406816. Its totient is φ = 869036703404.

The previous prime is 1303555055107. The next prime is 1303555055111. The reversal of 1303555055109 is 9015505553031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1303555055107) and next prime (1303555055111).

It is a cyclic number.

It is not a de Polignac number, because 1303555055109 - 2¹ = 1303555055107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303555055107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217259175849 + ... + 217259175854.

It is an arithmetic number, because the mean of its divisors is an integer number (434518351704).

Almost surely, 2^{1303555055109} is an apocalyptic number.

It is an amenable number.

1303555055109 is a deficient number, since it is larger than the sum of its proper divisors (434518351707).

1303555055109 is an equidigital number, since it uses as much as digits as its factorization.

1303555055109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434518351706.

The product of its (nonzero) digits is 253125, while the sum is 42.

The spelling of 1303555055109 in words is "one trillion, three hundred three billion, five hundred fifty-five million, fifty-five thousand, one hundred nine".