1521133104004 has 24 divisors (see below), whose sum is σ = 2683852795008. Its totient is φ = 754324727520.

The previous prime is 1521133103993. The next prime is 1521133104019. The reversal of 1521133104004 is 4004013311251.

It is a self number, because there is not a number n which added to its sum of digits gives 1521133104004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70549 + ... + 1745635.

It is an arithmetic number, because the mean of its divisors is an integer number (111827199792).

Almost surely, 2^{1521133104004} is an apocalyptic number.

It is an amenable number.

1521133104004 is a deficient number, since it is larger than the sum of its proper divisors (1162719691004).

1521133104004 is a wasteful number, since it uses less digits than its factorization.

1521133104004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676955 (or 1676953 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1521133104004 its reverse (4004013311251), we get a palindrome (5525146415255).

The spelling of 1521133104004 in words is "one trillion, five hundred twenty-one billion, one hundred thirty-three million, one hundred four thousand, four".