10539172056 has 192 divisors, whose sum is σ = 32849729280. Its totient is φ = 2802159360.

The previous prime is 10539172027. The next prime is 10539172081. The reversal of 10539172056 is 65027193501.

It is a super-2 number, since 2×10539172056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 995511 + ... + 1006041.

It is an arithmetic number, because the mean of its divisors is an integer number (171092340).

Almost surely, 2^10539172056 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 10539172056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16424864640).

10539172056 is an abundant number, since it is smaller than the sum of its proper divisors (22310557224).

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

10539172056 is a wasteful number, since it uses less digits than its factorization.

10539172056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10614 (or 10603 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 10539172056 in words is "ten billion, five hundred thirty-nine million, one hundred seventy-two thousand, fifty-six".