1165250396111 has 2 divisors, whose sum is σ = 1165250396112. Its totient is φ = 1165250396110.

The previous prime is 1165250396083. The next prime is 1165250396183. The reversal of 1165250396111 is 1116930525611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165250396111 - 2¹⁸ = 1165250133967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165250306111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582625198055 + 582625198056.

It is an arithmetic number, because the mean of its divisors is an integer number (582625198056).

Almost surely, 2^{1165250396111} is an apocalyptic number.

1165250396111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165250396111 is an equidigital number, since it uses as much as digits as its factorization.

1165250396111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 41.

The spelling of 1165250396111 in words is "one trillion, one hundred sixty-five billion, two hundred fifty million, three hundred ninety-six thousand, one hundred eleven".