1111918464 has 192 divisors, whose sum is σ = 3358227600. Its totient is φ = 352665600.

The previous prime is 1111918411. The next prime is 1111918471. The reversal of 1111918464 is 4648191111.

1111918464 is a `hidden beast` number, since 1 + 1 + 1 + 191 + 8 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2772664 + ... + 2773064.

Almost surely, 2^1111918464 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 1111918464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679113800).

1111918464 is an abundant number, since it is smaller than the sum of its proper divisors (2246309136).

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

1111918464 is a wasteful number, since it uses less digits than its factorization.

1111918464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 518 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 1111918464 is about 33345.4414275775. The cubic root of 1111918464 is about 1035.9949712292.

The spelling of 1111918464 in words is "one billion, one hundred eleven million, nine hundred eighteen thousand, four hundred sixty-four".