1515166616041 has 4 divisors (see below), whose sum is σ = 1631717894212. Its totient is φ = 1398615337872.

The previous prime is 1515166616023. The next prime is 1515166616081. The reversal of 1515166616041 is 1406166615151.

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 250621385641 + 1264545230400 = 500621^2 + 1124520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1515166616041 - 2²⁵ = 1515133061609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1515166616081) 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 3 ways as a sum of consecutive naturals, for example, 58275639066 + ... + 58275639091.

It is an arithmetic number, because the mean of its divisors is an integer number (407929473553).

Almost surely, 2^{1515166616041} is an apocalyptic number.

It is an amenable number.

1515166616041 is a deficient number, since it is larger than the sum of its proper divisors (116551278171).

1515166616041 is a wasteful number, since it uses less digits than its factorization.

1515166616041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116551278170.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 1515166616041 in words is "one trillion, five hundred fifteen billion, one hundred sixty-six million, six hundred sixteen thousand, forty-one".