1115511056012 has 24 divisors (see below), whose sum is σ = 2032540554912. Its totient is φ = 535231209600.

The previous prime is 1115511055999. The next prime is 1115511056017. The reversal of 1115511056012 is 2106501155111.

It is not an unprimeable number, because it can be changed into a prime (1115511056017) 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, 55743248 + ... + 55763255.

It is an arithmetic number, because the mean of its divisors is an integer number (84689189788).

Almost surely, 2^{1115511056012} is an apocalyptic number.

It is an amenable number.

1115511056012 is a deficient number, since it is larger than the sum of its proper divisors (917029498900).

1115511056012 is a wasteful number, since it uses less digits than its factorization.

1115511056012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111506609 (or 111506607 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 29.

Subtracting 1115511056012 from its reverse (2106501155111), we obtain a palindrome (990990099099).

The spelling of 1115511056012 in words is "one trillion, one hundred fifteen billion, five hundred eleven million, fifty-six thousand, twelve".