205553454510351 has 8 divisors (see below), whose sum is σ = 274445176193200. Its totient is φ = 136848684583872.

The previous prime is 205553454510337. The next prime is 205553454510359. The reversal of 205553454510351 is 153015454355502.

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

It is not a de Polignac number, because 205553454510351 - 2⁵ = 205553454510319 is a prime.

It is a super-2 number, since 2×205553454510351² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205553454510351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205553454510359) 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, 46737936526 + ... + 46737940923.

It is an arithmetic number, because the mean of its divisors is an integer number (34305647024150).

Almost surely, 2^{205553454510351} is an apocalyptic number.

205553454510351 is a deficient number, since it is larger than the sum of its proper divisors (68891721682849).

205553454510351 is an equidigital number, since it uses as much as digits as its factorization.

205553454510351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93475878185.

The product of its (nonzero) digits is 4500000, while the sum is 48.

The spelling of 205553454510351 in words is "two hundred five trillion, five hundred fifty-three billion, four hundred fifty-four million, five hundred ten thousand, three hundred fifty-one".