203644315052054 has 16 divisors (see below), whose sum is σ = 309653850393792. Its totient is φ = 100426391097408.

The previous prime is 203644315052047. The next prime is 203644315052063. The reversal of 203644315052054 is 450250513446302.

It is a junction number, because it is equal to n+sod(n) for n = 203644315051996 and 203644315052014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9197747 + ... + 22178529.

It is an arithmetic number, because the mean of its divisors is an integer number (19353365649612).

Almost surely, 2^{203644315052054} is an apocalyptic number.

203644315052054 is a deficient number, since it is larger than the sum of its proper divisors (106009535341738).

203644315052054 is a wasteful number, since it uses less digits than its factorization.

203644315052054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088311.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 203644315052054 its reverse (450250513446302), we get a palindrome (653894828498356).

The spelling of 203644315052054 in words is "two hundred three trillion, six hundred forty-four billion, three hundred fifteen million, fifty-two thousand, fifty-four".