1111215480 has 32 divisors (see below), whose sum is σ = 3333646800. Its totient is φ = 296324096.

The previous prime is 1111215461. The next prime is 1111215481. The reversal of 1111215480 is 845121111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1111215480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111215481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4629945 + ... + 4630184.

Almost surely, 2^1111215480 is an apocalyptic number.

1111215480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111215480 is an abundant number, since it is smaller than the sum of its proper divisors (2222431320).

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

1111215480 is a wasteful number, since it uses less digits than its factorization.

1111215480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260143 (or 9260139 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 1111215480 is about 33334.8988299050. The cubic root of 1111215480 is about 1035.7765974764.

Adding to 1111215480 its reverse (845121111), we get a palindrome (1956336591).

The spelling of 1111215480 in words is "one billion, one hundred eleven million, two hundred fifteen thousand, four hundred eighty".