20251126454671 has 8 divisors (see below), whose sum is σ = 23144172024960. Its totient is φ = 17358087760728.

The previous prime is 20251126454639. The next prime is 20251126454681. The reversal of 20251126454671 is 17645462115202.

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 20251126454671 - 2⁵ = 20251126454639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20251126454681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9303120 + ... + 11271658.

It is an arithmetic number, because the mean of its divisors is an integer number (2893021503120).

Almost surely, 2^{20251126454671} is an apocalyptic number.

20251126454671 is a deficient number, since it is larger than the sum of its proper divisors (2893045570289).

20251126454671 is a wasteful number, since it uses less digits than its factorization.

20251126454671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438173.

The product of its (nonzero) digits is 806400, while the sum is 46.

Adding to 20251126454671 its reverse (17645462115202), we get a palindrome (37896588569873).

The spelling of 20251126454671 in words is "twenty trillion, two hundred fifty-one billion, one hundred twenty-six million, four hundred fifty-four thousand, six hundred seventy-one".