25700755543 has 2 divisors, whose sum is σ = 25700755544. Its totient is φ = 25700755542.

The previous prime is 25700755537. The next prime is 25700755559. The reversal of 25700755543 is 34555700752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25700755543 - 2¹³ = 25700747351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25700755543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25700753543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12850377771 + 12850377772.

It is an arithmetic number, because the mean of its divisors is an integer number (12850377772).

Almost surely, 2^25700755543 is an apocalyptic number.

25700755543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25700755543 is an equidigital number, since it uses as much as digits as its factorization.

25700755543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735000, while the sum is 43.

The spelling of 25700755543 in words is "twenty-five billion, seven hundred million, seven hundred fifty-five thousand, five hundred forty-three".