25351142332451 has 4 divisors (see below), whose sum is σ = 27301230204192. Its totient is φ = 23401054460712.

The previous prime is 25351142332429. The next prime is 25351142332457. The reversal of 25351142332451 is 15423324115352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25351142332451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25351142332399 and 25351142332408.

It is not an unprimeable number, because it can be changed into a prime (25351142332457) 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, 975043935851 + ... + 975043935876.

It is an arithmetic number, because the mean of its divisors is an integer number (6825307551048).

Almost surely, 2^{25351142332451} is an apocalyptic number.

25351142332451 is a deficient number, since it is larger than the sum of its proper divisors (1950087871741).

25351142332451 is a wasteful number, since it uses less digits than its factorization.

25351142332451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950087871740.

The product of its digits is 432000, while the sum is 41.

The spelling of 25351142332451 in words is "twenty-five trillion, three hundred fifty-one billion, one hundred forty-two million, three hundred thirty-two thousand, four hundred fifty-one".