15061161 has 4 divisors (see below), whose sum is σ = 20081552. Its totient is φ = 10040772.

The previous prime is 15061157. The next prime is 15061171. The reversal of 15061161 is 16116051.

15061161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 15061161 - 2² = 15061157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15061171) 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, 2510191 + ... + 2510196.

It is an arithmetic number, because the mean of its divisors is an integer number (5020388).

Almost surely, 2^15061161 is an apocalyptic number.

It is an amenable number.

15061161 is a deficient number, since it is larger than the sum of its proper divisors (5020391).

15061161 is an equidigital number, since it uses as much as digits as its factorization.

15061161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020390.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 15061161 is about 3880.8711650865. The cubic root of 15061161 is about 246.9559439965.

The spelling of 15061161 in words is "fifteen million, sixty-one thousand, one hundred sixty-one".