10000948555821 has 8 divisors (see below), whose sum is σ = 13338674699584. Its totient is φ = 6665260724640.

The previous prime is 10000948555813. The next prime is 10000948555837. The reversal of 10000948555821 is 12855584900001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10000948555821 - 2³ = 10000948555813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000948555811) 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, 509566696 + ... + 509586321.

It is an arithmetic number, because the mean of its divisors is an integer number (1667334337448).

Almost surely, 2^{10000948555821} is an apocalyptic number.

It is an amenable number.

10000948555821 is a deficient number, since it is larger than the sum of its proper divisors (3337726143763).

10000948555821 is a wasteful number, since it uses less digits than its factorization.

10000948555821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019156291.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 10000948555821 in words is "ten trillion, nine hundred forty-eight million, five hundred fifty-five thousand, eight hundred twenty-one".