203161353124550 has 96 divisors (see below), whose sum is σ = 381801007171584. Its totient is φ = 80425928304000.

The previous prime is 203161353124511. The next prime is 203161353124571. The reversal of 203161353124550 is 55421353161302.

It is a junction number, because it is equal to n+sod(n) for n = 203161353124498 and 203161353124507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4086824195 + ... + 4086873905.

It is an arithmetic number, because the mean of its divisors is an integer number (3977093824704).

Almost surely, 2^{203161353124550} is an apocalyptic number.

203161353124550 is a deficient number, since it is larger than the sum of its proper divisors (178639654047034).

203161353124550 is a wasteful number, since it uses less digits than its factorization.

203161353124550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52014 (or 52009 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 203161353124550 in words is "two hundred three trillion, one hundred sixty-one billion, three hundred fifty-three million, one hundred twenty-four thousand, five hundred fifty".