1051230512543 has 16 divisors (see below), whose sum is σ = 1067289280512. Its totient is φ = 1035287352000.

The previous prime is 1051230512513. The next prime is 1051230512627. The reversal of 1051230512543 is 3452150321501.

It is a cyclic number.

It is not a de Polignac number, because 1051230512543 - 2¹⁰ = 1051230511519 is a prime.

It is a super-2 number, since 2×1051230512543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051230512513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123365123 + ... + 123373643.

It is an arithmetic number, because the mean of its divisors is an integer number (66705580032).

Almost surely, 2^{1051230512543} is an apocalyptic number.

1051230512543 is a deficient number, since it is larger than the sum of its proper divisors (16058767969).

1051230512543 is a wasteful number, since it uses less digits than its factorization.

1051230512543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15086.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1051230512543 in words is "one trillion, fifty-one billion, two hundred thirty million, five hundred twelve thousand, five hundred forty-three".