25401451142141 has 8 divisors (see below), whose sum is σ = 25405311418368. Its totient is φ = 25397591184000.

The previous prime is 25401451142131. The next prime is 25401451142161. The reversal of 25401451142141 is 14124115410452.

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

It is a cyclic number.

It is not a de Polignac number, because 25401451142141 - 2²² = 25401446947837 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 (25401451142131) 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, 193733636 + ... + 193864706.

It is an arithmetic number, because the mean of its divisors is an integer number (3175663927296).

Almost surely, 2^{25401451142141} is an apocalyptic number.

It is an amenable number.

25401451142141 is a deficient number, since it is larger than the sum of its proper divisors (3860276227).

25401451142141 is a wasteful number, since it uses less digits than its factorization.

25401451142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159043.

The product of its (nonzero) digits is 25600, while the sum is 35.

Adding to 25401451142141 its reverse (14124115410452), we get a palindrome (39525566552593).

The spelling of 25401451142141 in words is "twenty-five trillion, four hundred one billion, four hundred fifty-one million, one hundred forty-two thousand, one hundred forty-one".