203550044006061 has 128 divisors (see below), whose sum is σ = 319293950976000. Its totient is φ = 127908825504768.

The previous prime is 203550044006051. The next prime is 203550044006077. The reversal of 203550044006061 is 160600440055302.

203550044006061 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 5 + 0 + 0 + 4 + 40 + 0 + 606 + 1 = 666.

It is not a de Polignac number, because 203550044006061 - 2⁴³ = 194753950983853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203550044006041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6288409285 + ... + 6288441653.

It is an arithmetic number, because the mean of its divisors is an integer number (2494483992000).

Almost surely, 2^{203550044006061} is an apocalyptic number.

It is an amenable number.

203550044006061 is a deficient number, since it is larger than the sum of its proper divisors (115743906969939).

203550044006061 is a wasteful number, since it uses less digits than its factorization.

203550044006061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33080 (or 33074 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 203550044006061 in words is "two hundred three trillion, five hundred fifty billion, forty-four million, six thousand, sixty-one".