10643122500 has 60 divisors (see below), whose sum is σ = 31032528912. Its totient is φ = 2838164000.

The previous prime is 10643122487. The next prime is 10643122537. The reversal of 10643122500 is 522134601.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×10643122500² (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 19 ways as a sum of consecutive naturals, for example, 702042 + ... + 717041.

Almost surely, 2^10643122500 is an apocalyptic number.

10643122500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10643122500 is an abundant number, since it is smaller than the sum of its proper divisors (20389406412).

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

10643122500 is a wasteful number, since it uses less digits than its factorization.

10643122500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419110 (or 1419093 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 10643122500 in words is "ten billion, six hundred forty-three million, one hundred twenty-two thousand, five hundred".