11858165110 has 64 divisors (see below), whose sum is σ = 23738448384. Its totient is φ = 4228761600.

The previous prime is 11858165093. The next prime is 11858165117. The reversal of 11858165110 is 1156185811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11858165110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858165117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1503397 + ... + 1511263.

It is an arithmetic number, because the mean of its divisors is an integer number (370913256).

Almost surely, 2^11858165110 is an apocalyptic number.

11858165110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11858165110 is an abundant number, since it is smaller than the sum of its proper divisors (11880283274).

11858165110 is a wasteful number, since it uses less digits than its factorization.

11858165110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149.

The product of its (nonzero) digits is 9600, while the sum is 37.

The spelling of 11858165110 in words is "eleven billion, eight hundred fifty-eight million, one hundred sixty-five thousand, one hundred ten".