11115034440 has 32 divisors (see below), whose sum is σ = 33345103680. Its totient is φ = 2964009152.

The previous prime is 11115034423. The next prime is 11115034453. The reversal of 11115034440 is 4443051111.

It is a happy number.

It is a super-2 number, since 2×11115034440² (a number of 21 digits) contains 22 as substring.

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 11115034440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46312524 + ... + 46312763.

It is an arithmetic number, because the mean of its divisors is an integer number (1042034490).

Almost surely, 2^11115034440 is an apocalyptic number.

11115034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11115034440 is an abundant number, since it is smaller than the sum of its proper divisors (22230069240).

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

11115034440 is a wasteful number, since it uses less digits than its factorization.

11115034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92625301 (or 92625297 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11115034440 its reverse (4443051111), we get a palindrome (15558085551).

It can be divided in two parts, 1111 and 5034440, that added together give a triangular number (5035551 = T₃₁₇₃).

The spelling of 11115034440 in words is "eleven billion, one hundred fifteen million, thirty-four thousand, four hundred forty".