13511422550131 has 4 divisors (see below), whose sum is σ = 14739733691064. Its totient is φ = 12283111409200.

The previous prime is 13511422550099. The next prime is 13511422550183. The reversal of 13511422550131 is 13105522411531.

13511422550131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13511422550131 - 2⁵ = 13511422550099 is a prime.

It is a super-2 number, since 2×13511422550131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13511422950131) 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, 614155570450 + ... + 614155570471.

It is an arithmetic number, because the mean of its divisors is an integer number (3684933422766).

Almost surely, 2^{13511422550131} is an apocalyptic number.

13511422550131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13511422550131 is a deficient number, since it is larger than the sum of its proper divisors (1228311140933).

13511422550131 is a wasteful number, since it uses less digits than its factorization.

13511422550131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228311140932.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 13511422550131 its reverse (13105522411531), we get a palindrome (26616944961662).

The spelling of 13511422550131 in words is "thirteen trillion, five hundred eleven billion, four hundred twenty-two million, five hundred fifty thousand, one hundred thirty-one".