1541421043504 has 20 divisors (see below), whose sum is σ = 3089486144160. Its totient is φ = 744134296640.

The previous prime is 1541421043501. The next prime is 1541421043523. The reversal of 1541421043504 is 4053401241451.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1541421043504.

It is not an unprimeable number, because it can be changed into a prime (1541421043501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661013592 + ... + 1661014519.

It is an arithmetic number, because the mean of its divisors is an integer number (154474307208).

Almost surely, 2^{1541421043504} is an apocalyptic number.

It is an amenable number.

1541421043504 is an abundant number, since it is smaller than the sum of its proper divisors (1548065100656).

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

1541421043504 is a wasteful number, since it uses less digits than its factorization.

1541421043504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322028148 (or 3322028142 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1541421043504 its reverse (4053401241451), we get a palindrome (5594822284955).

The spelling of 1541421043504 in words is "one trillion, five hundred forty-one billion, four hundred twenty-one million, forty-three thousand, five hundred four".