10543512840 has 128 divisors (see below), whose sum is σ = 36238752000. Its totient is φ = 2403975168.

The previous prime is 10543512787. The next prime is 10543512857. The reversal of 10543512840 is 4821534501.

It is a super-2 number, since 2×10543512840² (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 31 ways as a sum of consecutive naturals, for example, 328216 + ... + 358904.

It is an arithmetic number, because the mean of its divisors is an integer number (283115250).

Almost surely, 2^10543512840 is an apocalyptic number.

10543512840 is a gapful number since it is divisible by the number (10) 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 10543512840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18119376000).

10543512840 is an abundant number, since it is smaller than the sum of its proper divisors (25695239160).

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

10543512840 is a wasteful number, since it uses less digits than its factorization.

10543512840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31119 (or 31115 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 10543512840 in words is "ten billion, five hundred forty-three million, five hundred twelve thousand, eight hundred forty".