13511530445151 has 4 divisors (see below), whose sum is σ = 18015373926872. Its totient is φ = 9007686963432.

The previous prime is 13511530445123. The next prime is 13511530445207. The reversal of 13511530445151 is 15154403511531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13511530445151 - 2¹⁰ = 13511530444127 is a prime.

It is a super-3 number, since 3×13511530445151³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13511530445551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251921740856 + ... + 2251921740861.

It is an arithmetic number, because the mean of its divisors is an integer number (4503843481718).

Almost surely, 2^{13511530445151} is an apocalyptic number.

13511530445151 is a deficient number, since it is larger than the sum of its proper divisors (4503843481721).

13511530445151 is an equidigital number, since it uses as much as digits as its factorization.

13511530445151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503843481720.

The product of its (nonzero) digits is 90000, while the sum is 39.

Adding to 13511530445151 its reverse (15154403511531), we get a palindrome (28665933956682).

The spelling of 13511530445151 in words is "thirteen trillion, five hundred eleven billion, five hundred thirty million, four hundred forty-five thousand, one hundred fifty-one".