2048015725921 has 9 divisors (see below), whose sum is σ = 2251142026833. Its totient is φ = 1861818167220.

The previous prime is 2048015725843. The next prime is 2048015725957. The reversal of 2048015725921 is 1295275108402.

The square root of 2048015725921 is 1431089.

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

It is not a de Polignac number, because 2048015725921 - 2¹⁵ = 2048015693153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048015725621) 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, 15676930 + ... + 15807028.

Almost surely, 2^{2048015725921} is an apocalyptic number.

2048015725921 is the 1431089-th square number.

2048015725921 is the 715545-th centered octagonal number.

It is an amenable number.

2048015725921 is a deficient number, since it is larger than the sum of its proper divisors (203126300912).

2048015725921 is an frugal number, since it uses more digits than its factorization.

2048015725921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260220 (or 130110 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 2048015725921 in words is "two trillion, forty-eight billion, fifteen million, seven hundred twenty-five thousand, nine hundred twenty-one".