203155042036064 has 48 divisors (see below), whose sum is σ = 400045121879760. Its totient is φ = 101556283368960.

The previous prime is 203155042035997. The next prime is 203155042036169. The reversal of 203155042036064 is 460630240551302.

It is a super-2 number, since 2×203155042036064² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 3761197922 + ... + 3761251934.

It is an arithmetic number, because the mean of its divisors is an integer number (8334273372495).

Almost surely, 2^{203155042036064} is an apocalyptic number.

It is an amenable number.

203155042036064 is a deficient number, since it is larger than the sum of its proper divisors (196890079843696).

203155042036064 is a wasteful number, since it uses less digits than its factorization.

203155042036064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76423 (or 76415 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 203155042036064 its reverse (460630240551302), we get a palindrome (663785282587366).

The spelling of 203155042036064 in words is "two hundred three trillion, one hundred fifty-five billion, forty-two million, thirty-six thousand, sixty-four".