1543116987532 has 24 divisors (see below), whose sum is σ = 2713785560640. Its totient is φ = 767754704640.

The previous prime is 1543116987481. The next prime is 1543116987563. The reversal of 1543116987532 is 2357896113451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604269 + ... + 1857787.

It is an arithmetic number, because the mean of its divisors is an integer number (113074398360).

Almost surely, 2^{1543116987532} is an apocalyptic number.

It is an amenable number.

1543116987532 is a deficient number, since it is larger than the sum of its proper divisors (1170668573108).

1543116987532 is a wasteful number, since it uses less digits than its factorization.

1543116987532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255041 (or 1255039 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The spelling of 1543116987532 in words is "one trillion, five hundred forty-three billion, one hundred sixteen million, nine hundred eighty-seven thousand, five hundred thirty-two".