1013511444404 has 24 divisors (see below), whose sum is σ = 1783663043400. Its totient is φ = 503901138944.

The previous prime is 1013511444401. The next prime is 1013511444427. The reversal of 1013511444404 is 4044441153101.

It can be written as a sum of positive squares in 4 ways, for example, as 544204240804 + 469307203600 = 737702^2 + 685060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013511444401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436769 + ... + 1489224.

It is an arithmetic number, because the mean of its divisors is an integer number (74319293475).

Almost surely, 2^{1013511444404} is an apocalyptic number.

It is an amenable number.

1013511444404 is a deficient number, since it is larger than the sum of its proper divisors (770151598996).

1013511444404 is a wasteful number, since it uses less digits than its factorization.

1013511444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926739 (or 1926737 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 1013511444404 its reverse (4044441153101), we get a palindrome (5057952597505).

The spelling of 1013511444404 in words is "one trillion, thirteen billion, five hundred eleven million, four hundred forty-four thousand, four hundred four".