10543989500 has 48 divisors (see below), whose sum is σ = 25121547360. Its totient is φ = 3834176000.

The previous prime is 10543989497. The next prime is 10543989551. The reversal of 10543989500 is 598934501.

It is a happy number.

10543989500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10543989500² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953045 + ... + 964044.

It is an arithmetic number, because the mean of its divisors is an integer number (523365570).

Almost surely, 2^10543989500 is an apocalyptic number.

10543989500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10543989500 is an abundant number, since it is smaller than the sum of its proper divisors (14577557860).

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

10543989500 is a wasteful number, since it uses less digits than its factorization.

10543989500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917119 (or 1917107 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 10543989500 in words is "ten billion, five hundred forty-three million, nine hundred eighty-nine thousand, five hundred".