1025478616111 has 2 divisors, whose sum is σ = 1025478616112. Its totient is φ = 1025478616110.

The previous prime is 1025478616103. The next prime is 1025478616157. The reversal of 1025478616111 is 1116168745201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025478616111 - 2³ = 1025478616103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025478616181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512739308055 + 512739308056.

It is an arithmetic number, because the mean of its divisors is an integer number (512739308056).

Almost surely, 2^{1025478616111} is an apocalyptic number.

1025478616111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025478616111 is an equidigital number, since it uses as much as digits as its factorization.

1025478616111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 1025478616111 in words is "one trillion, twenty-five billion, four hundred seventy-eight million, six hundred sixteen thousand, one hundred eleven".