1305043004104 has 96 divisors (see below), whose sum is σ = 2882068801920. Its totient is φ = 552313233024.

The previous prime is 1305043004101. The next prime is 1305043004107. The reversal of 1305043004104 is 4014003405031.

It is an interprime number because it is at equal distance from previous prime (1305043004101) and next prime (1305043004107).

It is not an unprimeable number, because it can be changed into a prime (1305043004101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82731162 + ... + 82746934.

It is an arithmetic number, because the mean of its divisors is an integer number (30021550020).

Almost surely, 2^{1305043004104} is an apocalyptic number.

1305043004104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1305043004104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441034400960).

1305043004104 is an abundant number, since it is smaller than the sum of its proper divisors (1577025797816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305043004104 is a wasteful number, since it uses less digits than its factorization.

1305043004104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18419 (or 18408 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1305043004104 its reverse (4014003405031), we get a palindrome (5319046409135).

The spelling of 1305043004104 in words is "one trillion, three hundred five billion, forty-three million, four thousand, one hundred four".