4053041510521 has 4 divisors (see below), whose sum is σ = 4090225377700. Its totient is φ = 4015857643344.

The previous prime is 4053041510509. The next prime is 4053041510587. The reversal of 4053041510521 is 1250151403504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3012519106921 + 1040522403600 = 1735661^2 + 1020060^2 .

It is a cyclic number.

It is not a de Polignac number, because 4053041510521 - 2²¹ = 4053039413369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4053041510621) 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, 18591933426 + ... + 18591933643.

It is an arithmetic number, because the mean of its divisors is an integer number (1022556344425).

Almost surely, 2^{4053041510521} is an apocalyptic number.

It is an amenable number.

4053041510521 is a deficient number, since it is larger than the sum of its proper divisors (37183867179).

4053041510521 is a wasteful number, since it uses less digits than its factorization.

4053041510521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37183867178.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 4053041510521 in words is "four trillion, fifty-three billion, forty-one million, five hundred ten thousand, five hundred twenty-one".