203143553152255 has 8 divisors (see below), whose sum is σ = 243776554906752. Its totient is φ = 162511981772448.

The previous prime is 203143553152139. The next prime is 203143553152301. The reversal of 203143553152255 is 552251355341302.

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 203143553152255 - 2²¹ = 203143551055103 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 357281199 + ... + 357849328.

It is an arithmetic number, because the mean of its divisors is an integer number (30472069363344).

Almost surely, 2^{203143553152255} is an apocalyptic number.

203143553152255 is a deficient number, since it is larger than the sum of its proper divisors (40633001754497).

203143553152255 is an equidigital number, since it uses as much as digits as its factorization.

203143553152255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715187345.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 203143553152255 in words is "two hundred three trillion, one hundred forty-three billion, five hundred fifty-three million, one hundred fifty-two thousand, two hundred fifty-five".