15542000000 has 224 divisors, whose sum is σ = 40839321000. Its totient is φ = 5875200000.

The previous prime is 15541999973. The next prime is 15542000017. The reversal of 15542000000 is 24551.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 15542000000 = 725³ + 2475³ = 1500³ + 2300³.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 37999796 + ... + 38000204.

Almost surely, 2^15542000000 is an apocalyptic number.

15542000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15542000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20419660500).

15542000000 is an abundant number, since it is smaller than the sum of its proper divisors (25297321000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15542000000 is an frugal number, since it uses more digits than its factorization.

15542000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

Adding to 15542000000 its reverse (24551), we get a palindrome (15542024551).

The spelling of 15542000000 in words is "fifteen billion, five hundred forty-two million", and thus it is an aban number.