10521440332541 has 16 divisors (see below), whose sum is σ = 10937775513600. Its totient is φ = 10108727975808.

The previous prime is 10521440332511. The next prime is 10521440332553. The reversal of 10521440332541 is 14523304412501.

It is not a de Polignac number, because 10521440332541 - 2¹⁰ = 10521440331517 is a prime.

It is a super-2 number, since 2×10521440332541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521440332511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10374020 + ... + 11342978.

It is an arithmetic number, because the mean of its divisors is an integer number (683610969600).

Almost surely, 2^{10521440332541} is an apocalyptic number.

It is an amenable number.

10521440332541 is a deficient number, since it is larger than the sum of its proper divisors (416335181059).

10521440332541 is a wasteful number, since it uses less digits than its factorization.

10521440332541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970828.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 10521440332541 in words is "ten trillion, five hundred twenty-one billion, four hundred forty million, three hundred thirty-two thousand, five hundred forty-one".