203143254151161 has 8 divisors (see below), whose sum is σ = 270858108030400. Its totient is φ = 135428618186352.

The previous prime is 203143254151153. The next prime is 203143254151219. The reversal of 203143254151161 is 161151452341302.

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

It is not a de Polignac number, because 203143254151161 - 2³ = 203143254151153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203143254151111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52290886 + ... + 56041263.

It is an arithmetic number, because the mean of its divisors is an integer number (33857263503800).

Almost surely, 2^{203143254151161} is an apocalyptic number.

It is an amenable number.

203143254151161 is a deficient number, since it is larger than the sum of its proper divisors (67714853879239).

203143254151161 is a wasteful number, since it uses less digits than its factorization.

203143254151161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108957215.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 203143254151161 in words is "two hundred three trillion, one hundred forty-three billion, two hundred fifty-four million, one hundred fifty-one thousand, one hundred sixty-one".