102115154342543 has 16 divisors (see below), whose sum is σ = 109127929648320. Its totient is φ = 95335892281344.

The previous prime is 102115154342507. The next prime is 102115154342623. The reversal of 102115154342543 is 345243451511201.

It is a cyclic number.

It is not a de Polignac number, because 102115154342543 - 2¹⁸ = 102115154080399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102115154342543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102115184342543) 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, 216784448 + ... + 217254981.

It is an arithmetic number, because the mean of its divisors is an integer number (6820495603020).

Almost surely, 2^{102115154342543} is an apocalyptic number.

102115154342543 is a deficient number, since it is larger than the sum of its proper divisors (7012775305777).

102115154342543 is a wasteful number, since it uses less digits than its factorization.

102115154342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434039698.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 102115154342543 in words is "one hundred two trillion, one hundred fifteen billion, one hundred fifty-four million, three hundred forty-two thousand, five hundred forty-three".