10539015456 has 96 divisors (see below), whose sum is σ = 29448619200. Its totient is φ = 3290664960.

The previous prime is 10539015419. The next prime is 10539015463. The reversal of 10539015456 is 65451093501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×10539015456² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129876 + ... + 194796.

It is an arithmetic number, because the mean of its divisors is an integer number (306756450).

Almost surely, 2^10539015456 is an apocalyptic number.

10539015456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10539015456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14724309600).

10539015456 is an abundant number, since it is smaller than the sum of its proper divisors (18909603744).

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

10539015456 is a wasteful number, since it uses less digits than its factorization.

10539015456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65042 (or 65034 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 10539015456 in words is "ten billion, five hundred thirty-nine million, fifteen thousand, four hundred fifty-six".