15542501411213 has 32 divisors (see below), whose sum is σ = 18385518919680. Its totient is φ = 12862378488960.

The previous prime is 15542501411191. The next prime is 15542501411237. The reversal of 15542501411213 is 31211410524551.

It is a happy number.

It is not a de Polignac number, because 15542501411213 - 2⁸ = 15542501410957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15542501411293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93973556 + ... + 94138802.

It is an arithmetic number, because the mean of its divisors is an integer number (574547466240).

Almost surely, 2^{15542501411213} is an apocalyptic number.

It is an amenable number.

15542501411213 is a deficient number, since it is larger than the sum of its proper divisors (2843017508467).

15542501411213 is a wasteful number, since it uses less digits than its factorization.

15542501411213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168897.

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 15542501411213 its reverse (31211410524551), we get a palindrome (46753911935764).

The spelling of 15542501411213 in words is "fifteen trillion, five hundred forty-two billion, five hundred one million, four hundred eleven thousand, two hundred thirteen".