1044353513555 has 16 divisors (see below), whose sum is σ = 1379696392800. Its totient is φ = 752561660160.

The previous prime is 1044353513537. The next prime is 1044353513563. The reversal of 1044353513555 is 5553153534401.

1044353513555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1044353513555 - 2¹⁸ = 1044353251411 is a prime.

It is a super-2 number, since 2×1044353513555² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87096050 + ... + 87108039.

It is an arithmetic number, because the mean of its divisors is an integer number (86231024550).

Almost surely, 2^{1044353513555} is an apocalyptic number.

1044353513555 is a deficient number, since it is larger than the sum of its proper divisors (335342879245).

1044353513555 is a wasteful number, since it uses less digits than its factorization.

1044353513555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174204214.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 1044353513555 in words is "one trillion, forty-four billion, three hundred fifty-three million, five hundred thirteen thousand, five hundred fifty-five".