1112401045555 has 16 divisors (see below), whose sum is σ = 1343488538304. Its totient is φ = 884194980480.

The previous prime is 1112401045549. The next prime is 1112401045571. The reversal of 1112401045555 is 5555401042111.

It is not a de Polignac number, because 1112401045555 - 2¹⁵ = 1112401012787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112401045555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48351 + ... + 1492360.

It is an arithmetic number, because the mean of its divisors is an integer number (83968033644).

Almost surely, 2^{1112401045555} is an apocalyptic number.

1112401045555 is a deficient number, since it is larger than the sum of its proper divisors (231087492749).

1112401045555 is a wasteful number, since it uses less digits than its factorization.

1112401045555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541646.

The product of its (nonzero) digits is 20000, while the sum is 34.

Adding to 1112401045555 its reverse (5555401042111), we get a palindrome (6667802087666).

The spelling of 1112401045555 in words is "one trillion, one hundred twelve billion, four hundred one million, forty-five thousand, five hundred fifty-five".