1521042315404 has 12 divisors (see below), whose sum is σ = 2662363900728. Its totient is φ = 760366915200.

The previous prime is 1521042315389. The next prime is 1521042315427. The reversal of 1521042315404 is 4045132401251.

It is a super-2 number, since 2×1521042315404² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38538437 + ... + 38577884.

It is an arithmetic number, because the mean of its divisors is an integer number (221863658394).

Almost surely, 2^{1521042315404} is an apocalyptic number.

It is an amenable number.

1521042315404 is a deficient number, since it is larger than the sum of its proper divisors (1141321585324).

1521042315404 is a wasteful number, since it uses less digits than its factorization.

1521042315404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77121256 (or 77121254 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1521042315404 its reverse (4045132401251), we get a palindrome (5566174716655).

The spelling of 1521042315404 in words is "one trillion, five hundred twenty-one billion, forty-two million, three hundred fifteen thousand, four hundred four".