1111352880 has 80 divisors (see below), whose sum is σ = 3758402304. Its totient is φ = 269418240.

The previous prime is 1111352873. The next prime is 1111352911. The reversal of 1111352880 is 882531111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207844 + ... + 213123.

Almost surely, 2^1111352880 is an apocalyptic number.

1111352880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111352880 is an abundant number, since it is smaller than the sum of its proper divisors (2647049424).

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

1111352880 is a wasteful number, since it uses less digits than its factorization.

1111352880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420994 (or 420988 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 1111352880 is about 33336.9596694120. The cubic root of 1111352880 is about 1035.8192864183.

Adding to 1111352880 its reverse (882531111), we get a palindrome (1993883991).

The spelling of 1111352880 in words is "one billion, one hundred eleven million, three hundred fifty-two thousand, eight hundred eighty".