20251026047071 has 4 divisors (see below), whose sum is σ = 20251268806000. Its totient is φ = 20250783288144.

The previous prime is 20251026047039. The next prime is 20251026047089. The reversal of 20251026047071 is 17074062015202.

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

It is a cyclic number.

It is not a de Polignac number, because 20251026047071 - 2⁵ = 20251026047039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20251026047071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20251026047171) 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 3 ways as a sum of consecutive naturals, for example, 121254291 + ... + 121421188.

It is an arithmetic number, because the mean of its divisors is an integer number (5062817201500).

Almost surely, 2^{20251026047071} is an apocalyptic number.

20251026047071 is a deficient number, since it is larger than the sum of its proper divisors (242758929).

20251026047071 is an equidigital number, since it uses as much as digits as its factorization.

20251026047071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242758928.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 20251026047071 in words is "twenty trillion, two hundred fifty-one billion, twenty-six million, forty-seven thousand, seventy-one".