13545125551 has 4 divisors (see below), whose sum is σ = 13747291672. Its totient is φ = 13342959432.

The previous prime is 13545125467. The next prime is 13545125609. The reversal of 13545125551 is 15552154531.

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 13545125551 - 2²⁷ = 13410907823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13545125551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545129551) 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, 101082960 + ... + 101083093.

It is an arithmetic number, because the mean of its divisors is an integer number (3436822918).

Almost surely, 2^13545125551 is an apocalyptic number.

13545125551 is a deficient number, since it is larger than the sum of its proper divisors (202166121).

13545125551 is an equidigital number, since it uses as much as digits as its factorization.

13545125551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202166120.

The product of its digits is 75000, while the sum is 37.

The spelling of 13545125551 in words is "thirteen billion, five hundred forty-five million, one hundred twenty-five thousand, five hundred fifty-one".