1543117013071 has 4 divisors (see below), whose sum is σ = 1543180495752. Its totient is φ = 1543053530392.

The previous prime is 1543117013069. The next prime is 1543117013093. The reversal of 1543117013071 is 1703107113451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1543117013071 - 2¹ = 1543117013069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543117011071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31704865 + ... + 31753498.

It is an arithmetic number, because the mean of its divisors is an integer number (385795123938).

Almost surely, 2^{1543117013071} is an apocalyptic number.

1543117013071 is a deficient number, since it is larger than the sum of its proper divisors (63482681).

1543117013071 is an equidigital number, since it uses as much as digits as its factorization.

1543117013071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63482680.

The product of its (nonzero) digits is 8820, while the sum is 34.

The spelling of 1543117013071 in words is "one trillion, five hundred forty-three billion, one hundred seventeen million, thirteen thousand, seventy-one".