105026544021 has 8 divisors (see below), whose sum is σ = 160040448064. Its totient is φ = 60015168000.

The previous prime is 105026544011. The next prime is 105026544037. The reversal of 105026544021 is 120445620501.

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

It is not a de Polignac number, because 105026544021 - 2⁵ = 105026543989 is a prime.

It is a super-2 number, since 2×105026544021² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105026544021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105026544001) 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, 2500631980 + ... + 2500632021.

It is an arithmetic number, because the mean of its divisors is an integer number (20005056008).

Almost surely, 2^105026544021 is an apocalyptic number.

It is an amenable number.

105026544021 is a deficient number, since it is larger than the sum of its proper divisors (55013904043).

105026544021 is an equidigital number, since it uses as much as digits as its factorization.

105026544021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001264011.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 105026544021 in words is "one hundred five billion, twenty-six million, five hundred forty-four thousand, twenty-one".