10204335421055 has 16 divisors (see below), whose sum is σ = 12452908356000. Its totient is φ = 8025001326720.

The previous prime is 10204335421037. The next prime is 10204335421079. The reversal of 10204335421055 is 55012453340201.

It is not a de Polignac number, because 10204335421055 - 2¹⁸ = 10204335158911 is a prime.

It is a super-2 number, since 2×10204335421055² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29489945 + ... + 29833965.

It is an arithmetic number, because the mean of its divisors is an integer number (778306772250).

Almost surely, 2^{10204335421055} is an apocalyptic number.

10204335421055 is a deficient number, since it is larger than the sum of its proper divisors (2248572934945).

10204335421055 is a wasteful number, since it uses less digits than its factorization.

10204335421055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444634.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 10204335421055 its reverse (55012453340201), we get a palindrome (65216788761256).

The spelling of 10204335421055 in words is "ten trillion, two hundred four billion, three hundred thirty-five million, four hundred twenty-one thousand, fifty-five".