10521562642432 has 96 divisors (see below), whose sum is σ = 21186562597200. Its totient is φ = 5223688372224.

The previous prime is 10521562642343. The next prime is 10521562642439. The reversal of 10521562642432 is 23424626512501.

It is a super-2 number, since 2×10521562642432² (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 (10521562642439) 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, 376873338 + ... + 376901254.

Almost surely, 2^{10521562642432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10521562642432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10593281298600).

10521562642432 is an abundant number, since it is smaller than the sum of its proper divisors (10664999954768).

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

10521562642432 is a wasteful number, since it uses less digits than its factorization.

10521562642432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29231 (or 29211 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 10521562642432 in words is "ten trillion, five hundred twenty-one billion, five hundred sixty-two million, six hundred forty-two thousand, four hundred thirty-two".