15755255072 has 18 divisors (see below), whose sum is σ = 31019556393. Its totient is φ = 7877272512.

The previous prime is 15755255041. The next prime is 15755255081. The reversal of 15755255072 is 27055255751.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 15295752976 + 459502096 = 123676^2 + 21436^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=88756.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 698954 + ... + 721142.

Almost surely, 2^15755255072 is an apocalyptic number.

It is an amenable number.

15755255072 is a deficient number, since it is larger than the sum of its proper divisors (15264301321).

15755255072 is an frugal number, since it uses more digits than its factorization.

15755255072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44388 (or 22191 counting only the distinct ones).

The product of its (nonzero) digits is 612500, while the sum is 44.

The spelling of 15755255072 in words is "fifteen billion, seven hundred fifty-five million, two hundred fifty-five thousand, seventy-two".