15355240000 has 140 divisors (see below), whose sum is σ = 38455990144. Its totient is φ = 6080832000.

The previous prime is 15355239989. The next prime is 15355240003. The reversal of 15355240000 is 4255351.

15355240000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (15355240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4118137 + ... + 4121863.

Almost surely, 2^15355240000 is an apocalyptic number.

15355240000 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 15355240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19227995072).

15355240000 is an abundant number, since it is smaller than the sum of its proper divisors (23100750144).

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

15355240000 is an equidigital number, since it uses as much as digits as its factorization.

15355240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 15355240000 its reverse (4255351), we get a palindrome (15359495351).

The spelling of 15355240000 in words is "fifteen billion, three hundred fifty-five million, two hundred forty thousand".