25241140121 has 8 divisors (see below), whose sum is σ = 26673010080. Its totient is φ = 23819609088.

The previous prime is 25241140091. The next prime is 25241140181. The reversal of 25241140121 is 12104114252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25241140121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25241140181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579711 + ... + 2589476.

It is an arithmetic number, because the mean of its divisors is an integer number (3334126260).

Almost surely, 2^25241140121 is an apocalyptic number.

It is an amenable number.

25241140121 is a deficient number, since it is larger than the sum of its proper divisors (1431869959).

25241140121 is a wasteful number, since it uses less digits than its factorization.

25241140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169463.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 25241140121 its reverse (12104114252), we get a palindrome (37345254373).

The spelling of 25241140121 in words is "twenty-five billion, two hundred forty-one million, one hundred forty thousand, one hundred twenty-one".