205401206314503 has 12 divisors (see below), whose sum is σ = 296693517120520. Its totient is φ = 136932805645776.

The previous prime is 205401206314487. The next prime is 205401206314529. The reversal of 205401206314503 is 305413602104502.

205401206314503 is a `hidden beast` number, since 2 + 0 + 5 + 4 + 0 + 12 + 0 + 631 + 4 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 205401206314503 - 2⁴ = 205401206314487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205401206314573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110014276 + ... + 111865737.

Almost surely, 2^{205401206314503} is an apocalyptic number.

205401206314503 is a deficient number, since it is larger than the sum of its proper divisors (91292310806017).

205401206314503 is a wasteful number, since it uses less digits than its factorization.

205401206314503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221982878 (or 221982875 counting only the distinct ones).

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

The spelling of 205401206314503 in words is "two hundred five trillion, four hundred one billion, two hundred six million, three hundred fourteen thousand, five hundred three".