11418722964 has 144 divisors (see below), whose sum is σ = 32249677824. Its totient is φ = 3377505600.

The previous prime is 11418722957. The next prime is 11418722969. The reversal of 11418722964 is 46922781411.

11418722964 is a `hidden beast` number, since 1 + 1 + 418 + 7 + 229 + 6 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11418722969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2893977 + ... + 2897919.

It is an arithmetic number, because the mean of its divisors is an integer number (223956096).

Almost surely, 2^11418722964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11418722964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16124838912).

11418722964 is an abundant number, since it is smaller than the sum of its proper divisors (20830954860).

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

11418722964 is a wasteful number, since it uses less digits than its factorization.

11418722964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4133 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 11418722964 in words is "eleven billion, four hundred eighteen million, seven hundred twenty-two thousand, nine hundred sixty-four".