1031544055555 has 16 divisors (see below), whose sum is σ = 1336151043360. Its totient is φ = 759996338688.

The previous prime is 1031544055499. The next prime is 1031544055573. The reversal of 1031544055555 is 5555504451301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1031544055555 - 2³⁹ = 481788241667 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18297385 + ... + 18353674.

It is an arithmetic number, because the mean of its divisors is an integer number (83509440210).

Almost surely, 2^{1031544055555} is an apocalyptic number.

1031544055555 is a deficient number, since it is larger than the sum of its proper divisors (304606987805).

1031544055555 is a wasteful number, since it uses less digits than its factorization.

1031544055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36651510.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 1031544055555 in words is "one trillion, thirty-one billion, five hundred forty-four million, fifty-five thousand, five hundred fifty-five".