15065000006149 has 4 divisors (see below), whose sum is σ = 15083621762220. Its totient is φ = 15046378250080.

The previous prime is 15065000006137. The next prime is 15065000006183. The reversal of 15065000006149 is 94160000056051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11331672725025 + 3733327281124 = 3366255^2 + 1932182^2 .

It is a cyclic number.

It is not a de Polignac number, because 15065000006149 - 2⁵ = 15065000006117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15065000007149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9310876822 + ... + 9310878439.

It is an arithmetic number, because the mean of its divisors is an integer number (3770905440555).

Almost surely, 2^{15065000006149} is an apocalyptic number.

It is an amenable number.

15065000006149 is a deficient number, since it is larger than the sum of its proper divisors (18621756071).

15065000006149 is an equidigital number, since it uses as much as digits as its factorization.

15065000006149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18621756070.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 15065000006149 in words is "fifteen trillion, sixty-five billion, six thousand, one hundred forty-nine".