10533891000 has 64 divisors (see below), whose sum is σ = 32865749280. Its totient is φ = 2809036800.

The previous prime is 10533890993. The next prime is 10533891007. The reversal of 10533891000 is 19833501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10533890993) and next prime (10533891007).

It is a super-2 number, since 2×10533891000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10533891007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752649 + ... + 1758648.

Almost surely, 2^10533891000 is an apocalyptic number.

10533891000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10533891000 is an abundant number, since it is smaller than the sum of its proper divisors (22331858280).

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

10533891000 is a wasteful number, since it uses less digits than its factorization.

10533891000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511321 (or 3511307 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 10533891000 in words is "ten billion, five hundred thirty-three million, eight hundred ninety-one thousand".