2155432503303 has 6 divisors (see below), whose sum is σ = 3113402504784. Its totient is φ = 1436955002196.

The previous prime is 2155432503283. The next prime is 2155432503401. The reversal of 2155432503303 is 3033052345512.

2155432503303 is a `hidden beast` number, since 21 + 5 + 5 + 4 + 325 + 0 + 3 + 303 = 666.

It is not a de Polignac number, because 2155432503303 - 2⁵ = 2155432503271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155432503503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119746250175 + ... + 119746250192.

It is an arithmetic number, because the mean of its divisors is an integer number (518900417464).

Almost surely, 2^{2155432503303} is an apocalyptic number.

2155432503303 is a deficient number, since it is larger than the sum of its proper divisors (957970001481).

2155432503303 is a wasteful number, since it uses less digits than its factorization.

2155432503303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239492500373 (or 239492500370 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 2155432503303 its reverse (3033052345512), we get a palindrome (5188484848815).

The spelling of 2155432503303 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-two million, five hundred three thousand, three hundred three".