203115145408808 has 16 divisors (see below), whose sum is σ = 382042288490580. Its totient is φ = 101237201811328.

The previous prime is 203115145408729. The next prime is 203115145408811. The reversal of 203115145408808 is 808804541511302.

203115145408808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 177121442455204 + 25993702953604 = 13308698^2 + 5098402^2 .

It is a super-2 number, since 2×203115145408808² (a number of 29 digits) contains 22 as substring.

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, 40046358941 + ... + 40046364012.

Almost surely, 2^{203115145408808} is an apocalyptic number.

It is an amenable number.

203115145408808 is a deficient number, since it is larger than the sum of its proper divisors (178927143081772).

203115145408808 is a wasteful number, since it uses less digits than its factorization.

203115145408808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80092723276 (or 80092723272 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 50.

The spelling of 203115145408808 in words is "two hundred three trillion, one hundred fifteen billion, one hundred forty-five million, four hundred eight thousand, eight hundred eight".