203255353135455 has 16 divisors (see below), whose sum is σ = 325222184609280. Its totient is φ = 108398315141408.

The previous prime is 203255353135447. The next prime is 203255353135469. The reversal of 203255353135455 is 554531353552302.

It is a cyclic number.

It is not a de Polignac number, because 203255353135455 - 2³ = 203255353135447 is a prime.

It is a super-3 number, since 3×203255353135455³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203255353135398 and 203255353135407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283371387 + ... + 284087756.

It is an arithmetic number, because the mean of its divisors is an integer number (20326386538080).

Almost surely, 2^{203255353135455} is an apocalyptic number.

203255353135455 is a deficient number, since it is larger than the sum of its proper divisors (121966831473825).

203255353135455 is a wasteful number, since it uses less digits than its factorization.

203255353135455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567483030.

The product of its (nonzero) digits is 20250000, while the sum is 51.

The spelling of 203255353135455 in words is "two hundred three trillion, two hundred fifty-five billion, three hundred fifty-three million, one hundred thirty-five thousand, four hundred fifty-five".