15725410801 has 9 divisors (see below), whose sum is σ = 15915381601. Its totient is φ = 15537685504.

The previous prime is 15725410783. The next prime is 15725410853. The reversal of 15725410801 is 10801452751.

The square root of 15725410801 is 125401.

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 11193428401 + 4531982400 = 105799^2 + 67320^2 .

It is not a de Polignac number, because 15725410801 - 2⁵ = 15725410769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15725410861) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11159985 + ... + 11161393.

Almost surely, 2^15725410801 is an apocalyptic number.

15725410801 is the 125401-st square number.

15725410801 is the 62701-st centered octagonal number.

It is an amenable number.

15725410801 is a deficient number, since it is larger than the sum of its proper divisors (189970800).

15725410801 is an frugal number, since it uses more digits than its factorization.

15725410801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 15725410801 in words is "fifteen billion, seven hundred twenty-five million, four hundred ten thousand, eight hundred one".