15094755728809 has 27 divisors (see below), whose sum is σ = 16102340690287. Its totient is φ = 14147338784768.

The previous prime is 15094755728729. The next prime is 15094755728851. The reversal of 15094755728809 is 90882755749051.

The square root of 15094755728809 is 3885197.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 23496291225 + 15071259437584 = 153285^2 + 3882172^2 .

It is not a de Polignac number, because 15094755728809 - 2¹⁹ = 15094755204521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15094755728609) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29655708447 + ... + 29655708955.

Almost surely, 2^{15094755728809} is an apocalyptic number.

15094755728809 is the 3885197-th square number.

15094755728809 is the 1942599-th centered octagonal number.

It is an amenable number.

15094755728809 is a deficient number, since it is larger than the sum of its proper divisors (1007584961478).

15094755728809 is an frugal number, since it uses more digits than its factorization.

15094755728809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 254016000, while the sum is 70.

The spelling of 15094755728809 in words is "fifteen trillion, ninety-four billion, seven hundred fifty-five million, seven hundred twenty-eight thousand, eight hundred nine".