204106625026553 has 4 divisors (see below), whose sum is σ = 212980826114688. Its totient is φ = 195232423938420.

The previous prime is 204106625026501. The next prime is 204106625026559. The reversal of 204106625026553 is 355620526601402.

204106625026553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204106625026553 - 2¹⁶ = 204106624961017 is a prime.

It is a super-2 number, since 2×204106625026553² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204106625026498 and 204106625026507.

It is not an unprimeable number, because it can be changed into a prime (204106625026559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4437100544033 + ... + 4437100544078.

It is an arithmetic number, because the mean of its divisors is an integer number (53245206528672).

Almost surely, 2^{204106625026553} is an apocalyptic number.

204106625026553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

204106625026553 is a deficient number, since it is larger than the sum of its proper divisors (8874201088135).

204106625026553 is an equidigital number, since it uses as much as digits as its factorization.

204106625026553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874201088134.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 204106625026553 in words is "two hundred four trillion, one hundred six billion, six hundred twenty-five million, twenty-six thousand, five hundred fifty-three".