20125704177463 has 2 divisors, whose sum is σ = 20125704177464. Its totient is φ = 20125704177462.

The previous prime is 20125704177461. The next prime is 20125704177479. The reversal of 20125704177463 is 36477140752102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20125704177463 - 2¹ = 20125704177461 is a prime.

Together with 20125704177461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20125704177461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062852088731 + 10062852088732.

It is an arithmetic number, because the mean of its divisors is an integer number (10062852088732).

Almost surely, 2^{20125704177463} is an apocalyptic number.

20125704177463 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125704177463 is an equidigital number, since it uses as much as digits as its factorization.

20125704177463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 20125704177463 in words is "twenty trillion, one hundred twenty-five billion, seven hundred four million, one hundred seventy-seven thousand, four hundred sixty-three".