13542245505 has 48 divisors (see below), whose sum is σ = 23586937920. Its totient is φ = 7187647104.

The previous prime is 13542245503. The next prime is 13542245513. The reversal of 13542245505 is 50554224531.

It is not a de Polignac number, because 13542245505 - 2¹ = 13542245503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13542245505.

It is not an unprimeable number, because it can be changed into a prime (13542245503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12123207 + ... + 12124323.

It is an arithmetic number, because the mean of its divisors is an integer number (491394540).

Almost surely, 2^13542245505 is an apocalyptic number.

13542245505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13542245505 is a deficient number, since it is larger than the sum of its proper divisors (10044692415).

13542245505 is a wasteful number, since it uses less digits than its factorization.

13542245505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 13542245505 in words is "thirteen billion, five hundred forty-two million, two hundred forty-five thousand, five hundred five".