1054511315543 has 16 divisors (see below), whose sum is σ = 1233072651264. Its totient is φ = 883000297440.

The previous prime is 1054511315537. The next prime is 1054511315573. The reversal of 1054511315543 is 3455131154501.

It is a cyclic number.

It is not a de Polignac number, because 1054511315543 - 2²⁰ = 1054510266967 is a prime.

It is a super-2 number, since 2×1054511315543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1054511315497 and 1054511315506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054511315573) 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 15 ways as a sum of consecutive naturals, for example, 2784305 + ... + 3140282.

It is an arithmetic number, because the mean of its divisors is an integer number (77067040704).

Almost surely, 2^{1054511315543} is an apocalyptic number.

1054511315543 is a deficient number, since it is larger than the sum of its proper divisors (178561335721).

1054511315543 is an equidigital number, since it uses as much as digits as its factorization.

1054511315543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925182.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 1054511315543 in words is "one trillion, fifty-four billion, five hundred eleven million, three hundred fifteen thousand, five hundred forty-three".