11155716233420 has 48 divisors (see below), whose sum is σ = 25562926384128. Its totient is φ = 4055640807360.

The previous prime is 11155716233419. The next prime is 11155716233437. The reversal of 11155716233420 is 2433261755111.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5235482 + ... + 7051361.

It is an arithmetic number, because the mean of its divisors is an integer number (532560966336).

Almost surely, 2^{11155716233420} is an apocalyptic number.

11155716233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11155716233420 is an abundant number, since it is smaller than the sum of its proper divisors (14407210150708).

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

11155716233420 is a wasteful number, since it uses less digits than its factorization.

11155716233420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12290990 (or 12290988 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

Adding to 11155716233420 its reverse (2433261755111), we get a palindrome (13588977988531).

The spelling of 11155716233420 in words is "eleven trillion, one hundred fifty-five billion, seven hundred sixteen million, two hundred thirty-three thousand, four hundred twenty".