203241251502543 has 16 divisors (see below), whose sum is σ = 271502155518336. Its totient is φ = 135237291178080.

The previous prime is 203241251502539. The next prime is 203241251502607. The reversal of 203241251502543 is 345205152142302.

It is not a de Polignac number, because 203241251502543 - 2² = 203241251502539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203241251502533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20046805 + ... + 28431617.

It is an arithmetic number, because the mean of its divisors is an integer number (16968884719896).

Almost surely, 2^{203241251502543} is an apocalyptic number.

203241251502543 is a deficient number, since it is larger than the sum of its proper divisors (68260904015793).

203241251502543 is a wasteful number, since it uses less digits than its factorization.

203241251502543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400134.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 203241251502543 in words is "two hundred three trillion, two hundred forty-one billion, two hundred fifty-one million, five hundred two thousand, five hundred forty-three".