15072160745 has 4 divisors (see below), whose sum is σ = 18086592900. Its totient is φ = 12057728592.

The previous prime is 15072160711. The next prime is 15072160787. The reversal of 15072160745 is 54706127051.

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 2473669696 + 12598491049 = 49736^2 + 112243^2 .

It is a cyclic number.

It is not a de Polignac number, because 15072160745 - 2³⁰ = 13998418921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15072160699 and 15072160708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507216070 + ... + 1507216079.

It is an arithmetic number, because the mean of its divisors is an integer number (4521648225).

Almost surely, 2^15072160745 is an apocalyptic number.

It is an amenable number.

15072160745 is a deficient number, since it is larger than the sum of its proper divisors (3014432155).

15072160745 is an equidigital number, since it uses as much as digits as its factorization.

15072160745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014432154.

The product of its (nonzero) digits is 58800, while the sum is 38.

Adding to 15072160745 its reverse (54706127051), we get a palindrome (69778287796).

The spelling of 15072160745 in words is "fifteen billion, seventy-two million, one hundred sixty thousand, seven hundred forty-five".