15072245525401 has 27 divisors (see below), whose sum is σ = 15586722996957. Its totient is φ = 14574461029920.

The previous prime is 15072245525399. The next prime is 15072245525429. The reversal of 15072245525401 is 10452554227051.

The square root of 15072245525401 is 3882299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 125670959001 + 14946574566400 = 354501^2 + 3866080^2 .

It is not a de Polignac number, because 15072245525401 - 2¹ = 15072245525399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15072245528401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45535484806 + ... + 45535485136.

Almost surely, 2^{15072245525401} is an apocalyptic number.

15072245525401 is the 3882299-th square number.

15072245525401 is the 1941150-th centered octagonal number.

It is an amenable number.

15072245525401 is a deficient number, since it is larger than the sum of its proper divisors (514477471556).

15072245525401 is an frugal number, since it uses more digits than its factorization.

15072245525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 43.

The spelling of 15072245525401 in words is "fifteen trillion, seventy-two billion, two hundred forty-five million, five hundred twenty-five thousand, four hundred one".