11620418856 has 64 divisors (see below), whose sum is σ = 29403000000. Its totient is φ = 3826622976.

The previous prime is 11620418837. The next prime is 11620418861. The reversal of 11620418856 is 65881402611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4225770 + ... + 4228518.

It is an arithmetic number, because the mean of its divisors is an integer number (459421875).

Almost surely, 2^11620418856 is an apocalyptic number.

It is an amenable number.

11620418856 is an abundant number, since it is smaller than the sum of its proper divisors (17782581144).

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

11620418856 is a wasteful number, since it uses less digits than its factorization.

11620418856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826 (or 4822 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 11620418856 in words is "eleven billion, six hundred twenty million, four hundred eighteen thousand, eight hundred fifty-six".