203144063340611 has 4 divisors (see below), whose sum is σ = 203159340789672. Its totient is φ = 203128785891552.

The previous prime is 203144063340577. The next prime is 203144063340613. The reversal of 203144063340611 is 116043360441302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203144063340611 - 2²⁶ = 203143996231747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203144063340613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7638704585 + ... + 7638731178.

It is an arithmetic number, because the mean of its divisors is an integer number (50789835197418).

Almost surely, 2^{203144063340611} is an apocalyptic number.

203144063340611 is a deficient number, since it is larger than the sum of its proper divisors (15277449061).

203144063340611 is a wasteful number, since it uses less digits than its factorization.

203144063340611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277449060.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 203144063340611 in words is "two hundred three trillion, one hundred forty-four billion, sixty-three million, three hundred forty thousand, six hundred eleven".