11855211710 has 16 divisors (see below), whose sum is σ = 21340638000. Its totient is φ = 4741805376.

The previous prime is 11855211679. The next prime is 11855211733. The reversal of 11855211710 is 1711255811.

It is a super-2 number, since 2×11855211710² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270941 + ... + 311639.

It is an arithmetic number, because the mean of its divisors is an integer number (1333789875).

Almost surely, 2^11855211710 is an apocalyptic number.

11855211710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11855211710 is a deficient number, since it is larger than the sum of its proper divisors (9485426290).

11855211710 is a wasteful number, since it uses less digits than its factorization.

11855211710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69835.

The product of its (nonzero) digits is 2800, while the sum is 32.

The spelling of 11855211710 in words is "eleven billion, eight hundred fifty-five million, two hundred eleven thousand, seven hundred ten".