10502531045421 has 8 divisors (see below), whose sum is σ = 14005151160480. Its totient is φ = 7000799146992.

The previous prime is 10502531045411. The next prime is 10502531045423. The reversal of 10502531045421 is 12454013520501.

10502531045421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10502531045421 - 2¹¹ = 10502531043373 is a prime.

It is a super-2 number, since 2×10502531045421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10502531045423) 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, 222026566 + ... + 222073863.

It is an arithmetic number, because the mean of its divisors is an integer number (1750643895060).

Almost surely, 2^{10502531045421} is an apocalyptic number.

It is an amenable number.

10502531045421 is a deficient number, since it is larger than the sum of its proper divisors (3502620115059).

10502531045421 is an equidigital number, since it uses as much as digits as its factorization.

10502531045421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444108315.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 10502531045421 its reverse (12454013520501), we get a palindrome (22956544565922).

The spelling of 10502531045421 in words is "ten trillion, five hundred two billion, five hundred thirty-one million, forty-five thousand, four hundred twenty-one".