10206426053550 has 192 divisors, whose sum is σ = 27119835094464. Its totient is φ = 2531210035200.

The previous prime is 10206426053543. The next prime is 10206426053573. The reversal of 10206426053550 is 5535062460201.

It is a super-2 number, since 2×10206426053550² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10206426053499 and 10206426053508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158519164 + ... + 158583536.

It is an arithmetic number, because the mean of its divisors is an integer number (141249141117).

Almost surely, 2^{10206426053550} is an apocalyptic number.

10206426053550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10206426053550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13559917547232).

10206426053550 is an abundant number, since it is smaller than the sum of its proper divisors (16913409040914).

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

10206426053550 is a wasteful number, since it uses less digits than its factorization.

10206426053550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65143 (or 65138 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 10206426053550 in words is "ten trillion, two hundred six billion, four hundred twenty-six million, fifty-three thousand, five hundred fifty".