2111448725 has 12 divisors (see below), whose sum is σ = 2624256516. Its totient is φ = 1685249280.

The previous prime is 2111448667. The next prime is 2111448749. The reversal of 2111448725 is 5278441112.

It can be written as a sum of positive squares in 6 ways, for example, as 636351076 + 1475097649 = 25226^2 + 38407^2 .

It is not a de Polignac number, because 2111448725 - 2¹⁴ = 2111432341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86702 + ... + 108351.

It is an arithmetic number, because the mean of its divisors is an integer number (218688043).

Almost surely, 2^2111448725 is an apocalyptic number.

2111448725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2111448725 is a deficient number, since it is larger than the sum of its proper divisors (512807791).

2111448725 is a wasteful number, since it uses less digits than its factorization.

2111448725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195496 (or 195491 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 2111448725 is about 45950.5029896300. The cubic root of 2111448725 is about 1282.9020913823.

Adding to 2111448725 its reverse (5278441112), we get a palindrome (7389889837).

The spelling of 2111448725 in words is "two billion, one hundred eleven million, four hundred forty-eight thousand, seven hundred twenty-five".