1025540161567 has 2 divisors, whose sum is σ = 1025540161568. Its totient is φ = 1025540161566.

The previous prime is 1025540161553. The next prime is 1025540161577. The reversal of 1025540161567 is 7651610455201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025540161567 - 2²³ = 1025531772959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025540161577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512770080783 + 512770080784.

It is an arithmetic number, because the mean of its divisors is an integer number (512770080784).

Almost surely, 2^{1025540161567} is an apocalyptic number.

1025540161567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025540161567 is an equidigital number, since it uses as much as digits as its factorization.

1025540161567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 1025540161567 in words is "one trillion, twenty-five billion, five hundred forty million, one hundred sixty-one thousand, five hundred sixty-seven".