1115311400440 has 16 divisors (see below), whose sum is σ = 2509450651080. Its totient is φ = 446124560160.

The previous prime is 1115311400429. The next prime is 1115311400449. The reversal of 1115311400440 is 440041135111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115311400449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13941392466 + ... + 13941392545.

Almost surely, 2^{1115311400440} is an apocalyptic number.

1115311400440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115311400440 is an abundant number, since it is smaller than the sum of its proper divisors (1394139250640).

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

1115311400440 is a wasteful number, since it uses less digits than its factorization.

1115311400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27882785022 (or 27882785018 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 1115311400440 its reverse (440041135111), we get a palindrome (1555352535551).

The spelling of 1115311400440 in words is "one trillion, one hundred fifteen billion, three hundred eleven million, four hundred thousand, four hundred forty".