10581010533820 has 24 divisors (see below), whose sum is σ = 22229493845328. Its totient is φ = 4230619123200.

The previous prime is 10581010533817. The next prime is 10581010533839. The reversal of 10581010533820 is 2833501018501.

It is a happy number.

It is a super-2 number, since 2×10581010533820² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10581010533820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111519541 + ... + 111614380.

It is an arithmetic number, because the mean of its divisors is an integer number (926228910222).

Almost surely, 2^{10581010533820} is an apocalyptic number.

10581010533820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10581010533820 is an abundant number, since it is smaller than the sum of its proper divisors (11648483311508).

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

10581010533820 is a wasteful number, since it uses less digits than its factorization.

10581010533820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223136301 (or 223136299 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 10581010533820 in words is "ten trillion, five hundred eighty-one billion, ten million, five hundred thirty-three thousand, eight hundred twenty".