13500340331451 has 32 divisors (see below), whose sum is σ = 18463845050112. Its totient is φ = 8769572904960.

The previous prime is 13500340331447. The next prime is 13500340331459. The reversal of 13500340331451 is 15413304300531.

It is not a de Polignac number, because 13500340331451 - 2² = 13500340331447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13500340331459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95567311 + ... + 95708471.

It is an arithmetic number, because the mean of its divisors is an integer number (576995157816).

Almost surely, 2^{13500340331451} is an apocalyptic number.

13500340331451 is a deficient number, since it is larger than the sum of its proper divisors (4963504718661).

13500340331451 is a wasteful number, since it uses less digits than its factorization.

13500340331451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143003.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 13500340331451 its reverse (15413304300531), we get a palindrome (28913644631982).

The spelling of 13500340331451 in words is "thirteen trillion, five hundred billion, three hundred forty million, three hundred thirty-one thousand, four hundred fifty-one".