1111376448 has 378 divisors, whose sum is σ = 4029849954. Its totient is φ = 291852288.

The previous prime is 1111376423. The next prime is 1111376449. The reversal of 1111376448 is 8446731111.

1111376448 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 3 + 7 + 644 + 8 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 27123264 + 1084253184 = 5208^2 + 32928^2 .

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 not an unprimeable number, because it can be changed into a prime (1111376449) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4769740 + ... + 4769972.

Almost surely, 2^1111376448 is an apocalyptic number.

1111376448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111376448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014924977).

1111376448 is an abundant number, since it is smaller than the sum of its proper divisors (2918473506).

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

1111376448 is a wasteful number, since it uses less digits than its factorization.

1111376448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 258 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1111376448 is about 33337.3131490827. The cubic root of 1111376448 is about 1035.8266084300.

The spelling of 1111376448 in words is "one billion, one hundred eleven million, three hundred seventy-six thousand, four hundred forty-eight".