1543535012135 has 4 divisors (see below), whose sum is σ = 1852242014568. Its totient is φ = 1234828009704.

The previous prime is 1543535012069. The next prime is 1543535012153. The reversal of 1543535012135 is 5312105353451.

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 1543535012135 - 2¹⁰ = 1543535011111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154353501209 + ... + 154353501218.

It is an arithmetic number, because the mean of its divisors is an integer number (463060503642).

Almost surely, 2^{1543535012135} is an apocalyptic number.

1543535012135 is a deficient number, since it is larger than the sum of its proper divisors (308707002433).

1543535012135 is an equidigital number, since it uses as much as digits as its factorization.

1543535012135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308707002432.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 1543535012135 in words is "one trillion, five hundred forty-three billion, five hundred thirty-five million, twelve thousand, one hundred thirty-five".