15355204000000 has 126 divisors (see below), whose sum is σ = 38312552991482. Its totient is φ = 6142080000000.

The previous prime is 15355203999977. The next prime is 15355204000013. The reversal of 15355204000000 is 40255351.

It can be written as a sum of positive squares in 7 ways, for example, as 14280780536064 + 1074423463936 = 3778992^2 + 1036544^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2080600 + ... + 5919400.

Almost surely, 2^{15355204000000} is an apocalyptic number.

15355204000000 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 15355204000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19156276495741).

15355204000000 is an abundant number, since it is smaller than the sum of its proper divisors (22957348991482).

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

15355204000000 is an frugal number, since it uses more digits than its factorization.

15355204000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838847 (or 3838808 counting only the distinct ones).

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

Adding to 15355204000000 its reverse (40255351), we get a palindrome (15355244255351).

The spelling of 15355204000000 in words is "fifteen trillion, three hundred fifty-five billion, two hundred four million", and thus it is an aban number.