25351451535041 has 4 divisors (see below), whose sum is σ = 25351518808452. Its totient is φ = 25351384261632.

The previous prime is 25351451535013. The next prime is 25351451535139. The reversal of 25351451535041 is 14053515415352.

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 20027952067600 + 5323499467441 = 4475260^2 + 2307271^2 .

It is a cyclic number.

It is not a de Polignac number, because 25351451535041 - 2¹⁸ = 25351451272897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25351451534983 and 25351451535001.

It is not an unprimeable number, because it can be changed into a prime (25351451535001) 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, 33068240 + ... + 33826193.

It is an arithmetic number, because the mean of its divisors is an integer number (6337879702113).

Almost surely, 2^{25351451535041} is an apocalyptic number.

It is an amenable number.

25351451535041 is a deficient number, since it is larger than the sum of its proper divisors (67273411).

25351451535041 is an equidigital number, since it uses as much as digits as its factorization.

25351451535041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67273410.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 25351451535041 in words is "twenty-five trillion, three hundred fifty-one billion, four hundred fifty-one million, five hundred thirty-five thousand, forty-one".