13540527553 has 24 divisors (see below), whose sum is σ = 16086038400. Its totient is φ = 11361133728.

The previous prime is 13540527467. The next prime is 13540527569. The reversal of 13540527553 is 35572504531.

It is a happy number.

It is not a de Polignac number, because 13540527553 - 2²⁹ = 13003656641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13540527053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681151 + ... + 700747.

It is an arithmetic number, because the mean of its divisors is an integer number (670251600).

Almost surely, 2^13540527553 is an apocalyptic number.

It is an amenable number.

13540527553 is a deficient number, since it is larger than the sum of its proper divisors (2545510847).

13540527553 is a wasteful number, since it uses less digits than its factorization.

13540527553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19909 (or 19902 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 40.

The spelling of 13540527553 in words is "thirteen billion, five hundred forty million, five hundred twenty-seven thousand, five hundred fifty-three".