1015065161 has 4 divisors (see below), whose sum is σ = 1107343824. Its totient is φ = 922786500.

The previous prime is 1015065137. The next prime is 1015065197. The reversal of 1015065161 is 1615605101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1015065161 - 2¹⁴ = 1015048777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1015065161.

It is not an unprimeable number, because it can be changed into a prime (1015065361) 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, 46139315 + ... + 46139336.

It is an arithmetic number, because the mean of its divisors is an integer number (276835956).

Almost surely, 2^1015065161 is an apocalyptic number.

1015065161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1015065161 is a deficient number, since it is larger than the sum of its proper divisors (92278663).

1015065161 is an equidigital number, since it uses as much as digits as its factorization.

1015065161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92278662.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1015065161 is about 31860.0872723224. The cubic root of 1015065161 is about 1004.9967116218.

The spelling of 1015065161 in words is "one billion, fifteen million, sixty-five thousand, one hundred sixty-one".