1013204320055 has 8 divisors (see below), whose sum is σ = 1215856635792. Its totient is φ = 810555821568.

The previous prime is 1013204320001. The next prime is 1013204320061. The reversal of 1013204320055 is 5500234023101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013204320055 - 2²⁴ = 1013187542839 is a prime.

It is a super-2 number, since 2×1013204320055² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333674 + ... + 1462103.

It is an arithmetic number, because the mean of its divisors is an integer number (151982079474).

Almost surely, 2^{1013204320055} is an apocalyptic number.

1013204320055 is a deficient number, since it is larger than the sum of its proper divisors (202652315737).

1013204320055 is a wasteful number, since it uses less digits than its factorization.

1013204320055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908625.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1013204320055 its reverse (5500234023101), we get a palindrome (6513438343156).

The spelling of 1013204320055 in words is "one trillion, thirteen billion, two hundred four million, three hundred twenty thousand, fifty-five".