15605065151 has 4 divisors (see below), whose sum is σ = 16805454792. Its totient is φ = 14404675512.

The previous prime is 15605065141. The next prime is 15605065163. The reversal of 15605065151 is 15156050651.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15605065151 - 2¹⁸ = 15604803007 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 (15605065121) 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, 600194801 + ... + 600194826.

It is an arithmetic number, because the mean of its divisors is an integer number (4201363698).

Almost surely, 2^15605065151 is an apocalyptic number.

15605065151 is a deficient number, since it is larger than the sum of its proper divisors (1200389641).

15605065151 is a wasteful number, since it uses less digits than its factorization.

15605065151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200389640.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 15605065151 in words is "fifteen billion, six hundred five million, sixty-five thousand, one hundred fifty-one".