15112061 has 4 divisors (see below), whose sum is σ = 15163932. Its totient is φ = 15060192.

The previous prime is 15112039. The next prime is 15112063. The reversal of 15112061 is 16021151.

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 11689561 + 3422500 = 3419^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 15112061 - 2¹⁰ = 15111037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15112063) 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, 25496 + ... + 26081.

It is an arithmetic number, because the mean of its divisors is an integer number (3790983).

Almost surely, 2^15112061 is an apocalyptic number.

It is an amenable number.

15112061 is a deficient number, since it is larger than the sum of its proper divisors (51871).

15112061 is an equidigital number, since it uses as much as digits as its factorization.

15112061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51870.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 15112061 is about 3887.4234397606. The cubic root of 15112061 is about 247.2338314644.

The spelling of 15112061 in words is "fifteen million, one hundred twelve thousand, sixty-one".