13542420011 has 4 divisors (see below), whose sum is σ = 13668984792. Its totient is φ = 13415855232.

The previous prime is 13542419983. The next prime is 13542420013. The reversal of 13542420011 is 11002424531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13542420011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13542420013) 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, 63282230 + ... + 63282443.

It is an arithmetic number, because the mean of its divisors is an integer number (3417246198).

Almost surely, 2^13542420011 is an apocalyptic number.

13542420011 is a deficient number, since it is larger than the sum of its proper divisors (126564781).

13542420011 is a wasteful number, since it uses less digits than its factorization.

13542420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126564780.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 13542420011 its reverse (11002424531), we get a palindrome (24544844542).

The spelling of 13542420011 in words is "thirteen billion, five hundred forty-two million, four hundred twenty thousand, eleven".