15256550344452 has 12 divisors (see below), whose sum is σ = 35598617470416. Its totient is φ = 5085516781480.

The previous prime is 15256550344447. The next prime is 15256550344501. The reversal of 15256550344452 is 25444305565251.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 15256550344395 and 15256550344404.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 635689597674 + ... + 635689597697.

It is an arithmetic number, because the mean of its divisors is an integer number (2966551455868).

Almost surely, 2^{15256550344452} is an apocalyptic number.

15256550344452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15256550344452 is an abundant number, since it is smaller than the sum of its proper divisors (20342067125964).

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

15256550344452 is a wasteful number, since it uses less digits than its factorization.

15256550344452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271379195378 (or 1271379195376 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 51.

The spelling of 15256550344452 in words is "fifteen trillion, two hundred fifty-six billion, five hundred fifty million, three hundred forty-four thousand, four hundred fifty-two".