15542055412 has 48 divisors (see below), whose sum is σ = 29818091520. Its totient is φ = 7044377472.

The previous prime is 15542055391. The next prime is 15542055413. The reversal of 15542055412 is 21455024551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15542055413) 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 15 ways as a sum of consecutive naturals, for example, 3915853 + ... + 3919819.

It is an arithmetic number, because the mean of its divisors is an integer number (621210240).

Almost surely, 2^15542055412 is an apocalyptic number.

It is an amenable number.

15542055412 is a deficient number, since it is larger than the sum of its proper divisors (14276036108).

15542055412 is a wasteful number, since it uses less digits than its factorization.

15542055412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 15542055412 its reverse (21455024551), we get a palindrome (36997079963).

The spelling of 15542055412 in words is "fifteen billion, five hundred forty-two million, fifty-five thousand, four hundred twelve".