2665231125 has 32 divisors (see below), whose sum is σ = 4449399552. Its totient is φ = 1416824000.

The previous prime is 2665231081. The next prime is 2665231139. The reversal of 2665231125 is 5211325662.

It is not a de Polignac number, because 2665231125 - 2¹⁰ = 2665230101 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105199 + ... + 128051.

It is an arithmetic number, because the mean of its divisors is an integer number (139043736).

Almost surely, 2^2665231125 is an apocalyptic number.

2665231125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2665231125 is a deficient number, since it is larger than the sum of its proper divisors (1784168427).

2665231125 is a wasteful number, since it uses less digits than its factorization.

2665231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23182 (or 23172 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 2665231125 is about 51625.8765058764. The cubic root of 2665231125 is about 1386.4736667860.

Adding to 2665231125 its reverse (5211325662), we get a palindrome (7876556787).

The spelling of 2665231125 in words is "two billion, six hundred sixty-five million, two hundred thirty-one thousand, one hundred twenty-five".