15542405054113 has 4 divisors (see below), whose sum is σ = 17762748633280. Its totient is φ = 13322061474948.

The previous prime is 15542405054089. The next prime is 15542405054119. The reversal of 15542405054113 is 31145050424551.

15542405054113 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15542405054113 - 2⁵ = 15542405054081 is a prime.

It is a super-2 number, since 2×15542405054113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15542405054119) 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, 1110171789573 + ... + 1110171789586.

It is an arithmetic number, because the mean of its divisors is an integer number (4440687158320).

Almost surely, 2^{15542405054113} is an apocalyptic number.

It is an amenable number.

15542405054113 is a deficient number, since it is larger than the sum of its proper divisors (2220343579167).

15542405054113 is an equidigital number, since it uses as much as digits as its factorization.

15542405054113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220343579166.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 15542405054113 its reverse (31145050424551), we get a palindrome (46687455478664).

The spelling of 15542405054113 in words is "fifteen trillion, five hundred forty-two billion, four hundred five million, fifty-four thousand, one hundred thirteen".