11855220062 has 32 divisors (see below), whose sum is σ = 21528778752. Its totient is φ = 4779702144.

The previous prime is 11855220049. The next prime is 11855220089. The reversal of 11855220062 is 26002255811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556703 + ... + 577605.

It is an arithmetic number, because the mean of its divisors is an integer number (672774336).

Almost surely, 2^11855220062 is an apocalyptic number.

11855220062 is a deficient number, since it is larger than the sum of its proper divisors (9673558690).

11855220062 is a wasteful number, since it uses less digits than its factorization.

11855220062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23312.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 11855220062 its reverse (26002255811), we get a palindrome (37857475873).

The spelling of 11855220062 in words is "eleven billion, eight hundred fifty-five million, two hundred twenty thousand, sixty-two".