205354553104 has 20 divisors (see below), whose sum is σ = 397940085760. Its totient is φ = 102660337440.

The previous prime is 205354553039. The next prime is 205354553167. The reversal of 205354553104 is 401355453502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958392 + ... + 1152919.

It is an arithmetic number, because the mean of its divisors is an integer number (19897004288).

Almost surely, 2^205354553104 is an apocalyptic number.

It is an amenable number.

205354553104 is a deficient number, since it is larger than the sum of its proper divisors (192585532656).

205354553104 is a wasteful number, since it uses less digits than its factorization.

205354553104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117398 (or 2117392 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 205354553104 in words is "two hundred five billion, three hundred fifty-four million, five hundred fifty-three thousand, one hundred four".