1111115040 has 96 divisors (see below), whose sum is σ = 4000026240. Its totient is φ = 253968384.

The previous prime is 1111115029. The next prime is 1111115059. The reversal of 1111115040 is 405111111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1111115040² = 2469153264228403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 161985 + ... + 168704.

It is an arithmetic number, because the mean of its divisors is an integer number (41666940).

Almost surely, 2^1111115040 is an apocalyptic number.

1111115040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111115040 is an abundant number, since it is smaller than the sum of its proper divisors (2888911200).

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

1111115040 is a wasteful number, since it uses less digits than its factorization.

1111115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330714 (or 330706 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 15.

The square root of 1111115040 is about 33333.3922666146. The cubic root of 1111115040 is about 1035.7453894470.

Adding to 1111115040 its reverse (405111111), we get a palindrome (1516226151).

The spelling of 1111115040 in words is "one billion, one hundred eleven million, one hundred fifteen thousand, forty".