15081061 has 4 divisors (see below), whose sum is σ = 15089932. Its totient is φ = 15072192.

The previous prime is 15081043. The next prime is 15081103. The reversal of 15081061 is 16018051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10956100 + 4124961 = 3310^2 + 2031^2 .

It is a cyclic number.

It is not a de Polignac number, because 15081061 - 2¹¹ = 15079013 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 (15081961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (3772483).

Almost surely, 2^15081061 is an apocalyptic number.

It is an amenable number.

15081061 is a deficient number, since it is larger than the sum of its proper divisors (8871).

15081061 is an equidigital number, since it uses as much as digits as its factorization.

15081061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8870.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 15081061 is about 3883.4341760869. The cubic root of 15081061 is about 247.0646620525.

The spelling of 15081061 in words is "fifteen million, eighty-one thousand, sixty-one".