11858165093 has 2 divisors, whose sum is σ = 11858165094. Its totient is φ = 11858165092.

The previous prime is 11858165087. The next prime is 11858165117. The reversal of 11858165093 is 39056185811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8650302049 + 3207863044 = 93007^2 + 56638^2 .

It is an emirp because it is prime and its reverse (39056185811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11858165093 - 2⁸ = 11858164837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11858165003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929082546 + 5929082547.

It is an arithmetic number, because the mean of its divisors is an integer number (5929082547).

Almost surely, 2^11858165093 is an apocalyptic number.

It is an amenable number.

11858165093 is a deficient number, since it is larger than the sum of its proper divisors (1).

11858165093 is an equidigital number, since it uses as much as digits as its factorization.

11858165093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 47.

The spelling of 11858165093 in words is "eleven billion, eight hundred fifty-eight million, one hundred sixty-five thousand, ninety-three".