25512214021141 has 4 divisors (see below), whose sum is σ = 25568039435212. Its totient is φ = 25456388607072.

The previous prime is 25512214021139. The next prime is 25512214021169. The reversal of 25512214021141 is 14112041221552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10245056624100 + 15267157397041 = 3200790^2 + 3907321^2 .

It is a cyclic number.

It is not a de Polignac number, because 25512214021141 - 2¹ = 25512214021139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25512214021111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27912706350 + ... + 27912707263.

It is an arithmetic number, because the mean of its divisors is an integer number (6392009858803).

Almost surely, 2^{25512214021141} is an apocalyptic number.

It is an amenable number.

25512214021141 is a deficient number, since it is larger than the sum of its proper divisors (55825414071).

25512214021141 is an equidigital number, since it uses as much as digits as its factorization.

25512214021141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55825414070.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 25512214021141 its reverse (14112041221552), we get a palindrome (39624255242693).

The spelling of 25512214021141 in words is "twenty-five trillion, five hundred twelve billion, two hundred fourteen million, twenty-one thousand, one hundred forty-one".