203045401155 has 8 divisors (see below), whose sum is σ = 324872641872. Its totient is φ = 108290880608.

The previous prime is 203045401133. The next prime is 203045401171. The reversal of 203045401155 is 551104540302.

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 203045401155 - 2²⁶ = 202978292291 is a prime.

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, 6768180024 + ... + 6768180053.

It is an arithmetic number, because the mean of its divisors is an integer number (40609080234).

Almost surely, 2^203045401155 is an apocalyptic number.

203045401155 is a deficient number, since it is larger than the sum of its proper divisors (121827240717).

203045401155 is a wasteful number, since it uses less digits than its factorization.

203045401155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536360085.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 203045401155 its reverse (551104540302), we get a palindrome (754149941457).

The spelling of 203045401155 in words is "two hundred three billion, forty-five million, four hundred one thousand, one hundred fifty-five".