10512042543 has 40 divisors (see below), whose sum is σ = 16542345600. Its totient is φ = 6634090512.

The previous prime is 10512042539. The next prime is 10512042551. The reversal of 10512042543 is 34524021501.

10512042543 is a `hidden beast` number, since 10 + 51 + 20 + 42 + 543 = 666.

It is not a de Polignac number, because 10512042543 - 2² = 10512042539 is a prime.

It is a super-2 number, since 2×10512042543² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10512042643) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3727588 + ... + 3730406.

It is an arithmetic number, because the mean of its divisors is an integer number (413558640).

Almost surely, 2^10512042543 is an apocalyptic number.

10512042543 is a deficient number, since it is larger than the sum of its proper divisors (6030303057).

10512042543 is a wasteful number, since it uses less digits than its factorization.

10512042543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273 (or 5264 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 10512042543 in words is "ten billion, five hundred twelve million, forty-two thousand, five hundred forty-three".