2141255125 has 16 divisors (see below), whose sum is σ = 2681840304. Its totient is φ = 1706880000.

The previous prime is 2141255117. The next prime is 2141255131. The reversal of 2141255125 is 5215521412.

It can be written as a sum of positive squares in 8 ways, for example, as 1265509476 + 875745649 = 35574^2 + 29593^2 .

It is not a de Polignac number, because 2141255125 - 2³ = 2141255117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141255093 and 2141255102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4645 + ... + 65605.

It is an arithmetic number, because the mean of its divisors is an integer number (167615019).

Almost surely, 2^2141255125 is an apocalyptic number.

2141255125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2141255125 is a deficient number, since it is larger than the sum of its proper divisors (540585179).

2141255125 is an equidigital number, since it uses as much as digits as its factorization.

2141255125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61257 (or 61247 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 2141255125 is about 46273.6979827634. The cubic root of 2141255125 is about 1288.9106290992.

Adding to 2141255125 its reverse (5215521412), we get a palindrome (7356776537).

The spelling of 2141255125 in words is "two billion, one hundred forty-one million, two hundred fifty-five thousand, one hundred twenty-five".