10421554512 has 40 divisors (see below), whose sum is σ = 27430324704. Its totient is φ = 3408306304.

The previous prime is 10421554501. The next prime is 10421554513. The reversal of 10421554512 is 21545512401.

It is a self number, because there is not a number n which added to its sum of digits gives 10421554512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421554513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045718 + ... + 2050805.

Almost surely, 2^10421554512 is an apocalyptic number.

10421554512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10421554512 is an abundant number, since it is smaller than the sum of its proper divisors (17008770192).

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

10421554512 is a wasteful number, since it uses less digits than its factorization.

10421554512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096587 (or 4096581 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 10421554512 in words is "ten billion, four hundred twenty-one million, five hundred fifty-four thousand, five hundred twelve".