25140053243141 has 4 divisors (see below), whose sum is σ = 25140533791884. Its totient is φ = 25139572694400.

The previous prime is 25140053243113. The next prime is 25140053243153. The reversal of 25140053243141 is 14134235004152.

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 7809034636225 + 17331018606916 = 2794465^2 + 4163054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25140053243141 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 (25140053242141) 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, 240195890 + ... + 240300531.

It is an arithmetic number, because the mean of its divisors is an integer number (6285133447971).

Almost surely, 2^{25140053243141} is an apocalyptic number.

It is an amenable number.

25140053243141 is a deficient number, since it is larger than the sum of its proper divisors (480548743).

25140053243141 is an equidigital number, since it uses as much as digits as its factorization.

25140053243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480548742.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 25140053243141 its reverse (14134235004152), we get a palindrome (39274288247293).

The spelling of 25140053243141 in words is "twenty-five trillion, one hundred forty billion, fifty-three million, two hundred forty-three thousand, one hundred forty-one".