4145052510521 has 8 divisors (see below), whose sum is σ = 4464201921480. Its totient is φ = 3825945844992.

The previous prime is 4145052510499. The next prime is 4145052510553. The reversal of 4145052510521 is 1250152505414.

4145052510521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1158774743296 + 2986277767225 = 1076464^2 + 1728085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4145052510521 - 2¹⁴ = 4145052494137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145052510121) 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, 10484810 + ... + 10872963.

It is an arithmetic number, because the mean of its divisors is an integer number (558025240185).

Almost surely, 2^{4145052510521} is an apocalyptic number.

It is an amenable number.

4145052510521 is a deficient number, since it is larger than the sum of its proper divisors (319149410959).

4145052510521 is a wasteful number, since it uses less digits than its factorization.

4145052510521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21372715.

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 4145052510521 in words is "four trillion, one hundred forty-five billion, fifty-two million, five hundred ten thousand, five hundred twenty-one".