1500105161 has 4 divisors (see below), whose sum is σ = 1500264324. Its totient is φ = 1499946000.

The previous prime is 1500105151. The next prime is 1500105169. The reversal of 1500105161 is 1615010051.

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 894010000 + 606095161 = 29900^2 + 24619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1500105161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1500105169) 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, 64490 + ... + 84611.

It is an arithmetic number, because the mean of its divisors is an integer number (375066081).

Almost surely, 2^1500105161 is an apocalyptic number.

It is an amenable number.

1500105161 is a deficient number, since it is larger than the sum of its proper divisors (159163).

1500105161 is a wasteful number, since it uses less digits than its factorization.

1500105161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159162.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1500105161 is about 38731.1910609524. The cubic root of 1500105161 is about 1144.7409928825.

The spelling of 1500105161 in words is "one billion, five hundred million, one hundred five thousand, one hundred sixty-one".