11855490010 has 64 divisors (see below), whose sum is σ = 26875360512. Its totient is φ = 3664797696.

The previous prime is 11855489993. The next prime is 11855490011. The reversal of 11855490010 is 1009455811.

11855490010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11855490011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112359 + ... + 190618.

It is an arithmetic number, because the mean of its divisors is an integer number (419927508).

Almost surely, 2^11855490010 is an apocalyptic number.

11855490010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11855490010 is an abundant number, since it is smaller than the sum of its proper divisors (15019870502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11855490010 is a wasteful number, since it uses less digits than its factorization.

11855490010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303047.

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 11855490010 in words is "eleven billion, eight hundred fifty-five million, four hundred ninety thousand, ten".