13454112011215 has 32 divisors (see below), whose sum is σ = 17619490252800. Its totient is φ = 9824779992960.

The previous prime is 13454112011209. The next prime is 13454112011227. The reversal of 13454112011215 is 51211021145431.

It is not a de Polignac number, because 13454112011215 - 2²³ = 13454103622607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9300397 + ... + 10649206.

It is an arithmetic number, because the mean of its divisors is an integer number (550609070400).

Almost surely, 2^{13454112011215} is an apocalyptic number.

13454112011215 is a deficient number, since it is larger than the sum of its proper divisors (4165378241585).

13454112011215 is a wasteful number, since it uses less digits than its factorization.

13454112011215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19949887.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 13454112011215 its reverse (51211021145431), we get a palindrome (64665133156646).

The spelling of 13454112011215 in words is "thirteen trillion, four hundred fifty-four billion, one hundred twelve million, eleven thousand, two hundred fifteen".