203868546355 has 8 divisors (see below), whose sum is σ = 250331610672. Its totient is φ = 159301933728.

The previous prime is 203868546313. The next prime is 203868546383. The reversal of 203868546355 is 553645868302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203868546355 - 2⁹ = 203868545843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203868546296 and 203868546305.

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, 474112684 + ... + 474113113.

It is an arithmetic number, because the mean of its divisors is an integer number (31291451334).

Almost surely, 2^203868546355 is an apocalyptic number.

203868546355 is a deficient number, since it is larger than the sum of its proper divisors (46463064317).

203868546355 is an equidigital number, since it uses as much as digits as its factorization.

203868546355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948225845.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 203868546355 in words is "two hundred three billion, eight hundred sixty-eight million, five hundred forty-six thousand, three hundred fifty-five".