15056957585449 has 16 divisors (see below), whose sum is σ = 16801516584720. Its totient is φ = 13397713781760.

The previous prime is 15056957585431. The next prime is 15056957585491. The reversal of 15056957585449 is 94458575965051.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4567987171225 + 10488970414224 = 2137285^2 + 3238668^2 .

It is a cyclic number.

It is not a de Polignac number, because 15056957585449 - 2¹³ = 15056957577257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15056957585249) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32132772 + ... + 32597989.

It is an arithmetic number, because the mean of its divisors is an integer number (1050094786545).

Almost surely, 2^{15056957585449} is an apocalyptic number.

It is an amenable number.

15056957585449 is a deficient number, since it is larger than the sum of its proper divisors (1744558999271).

15056957585449 is a wasteful number, since it uses less digits than its factorization.

15056957585449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64731420.

The product of its (nonzero) digits is 1360800000, while the sum is 73.

The spelling of 15056957585449 in words is "fifteen trillion, fifty-six billion, nine hundred fifty-seven million, five hundred eighty-five thousand, four hundred forty-nine".