13501332143 has 12 divisors (see below), whose sum is σ = 15199558920. Its totient is φ = 11920902576.

The previous prime is 13501332137. The next prime is 13501332149. The reversal of 13501332143 is 34123310531.

It is an interprime number because it is at equal distance from previous prime (13501332137) and next prime (13501332149).

It is not a de Polignac number, because 13501332143 - 2¹⁸ = 13501069999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13501332149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 974753 + ... + 988506.

It is an arithmetic number, because the mean of its divisors is an integer number (1266629910).

Almost surely, 2^13501332143 is an apocalyptic number.

13501332143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13501332143 is a deficient number, since it is larger than the sum of its proper divisors (1698226777).

13501332143 is a wasteful number, since it uses less digits than its factorization.

13501332143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963318 (or 1963295 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13501332143 its reverse (34123310531), we get a palindrome (47624642674).

The spelling of 13501332143 in words is "thirteen billion, five hundred one million, three hundred thirty-two thousand, one hundred forty-three".