1013444241520 has 20 divisors (see below), whose sum is σ = 2356257861720. Its totient is φ = 405377696576.

The previous prime is 1013444241493. The next prime is 1013444241581. The reversal of 1013444241520 is 251424443101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6334026430 + ... + 6334026589.

It is an arithmetic number, because the mean of its divisors is an integer number (117812893086).

Almost surely, 2^{1013444241520} is an apocalyptic number.

1013444241520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013444241520 is an abundant number, since it is smaller than the sum of its proper divisors (1342813620200).

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

1013444241520 is a wasteful number, since it uses less digits than its factorization.

1013444241520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668053032 (or 12668053026 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1013444241520 its reverse (251424443101), we get a palindrome (1264868684621).

The spelling of 1013444241520 in words is "one trillion, thirteen billion, four hundred forty-four million, two hundred forty-one thousand, five hundred twenty".