2871543961512 has 64 divisors (see below), whose sum is σ = 7983849753600. Its totient is φ = 956300670720.

The previous prime is 2871543961487. The next prime is 2871543961513. The reversal of 2871543961512 is 2151693451782.

2871543961512 is a `hidden beast` number, since 2 + 8 + 7 + 1 + 5 + 4 + 3 + 9 + 615 + 12 = 666.

It is a super-2 number, since 2×2871543961512² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2871543961513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5880289 + ... + 6349872.

It is an arithmetic number, because the mean of its divisors is an integer number (124747652400).

Almost surely, 2^{2871543961512} is an apocalyptic number.

It is an amenable number.

2871543961512 is an abundant number, since it is smaller than the sum of its proper divisors (5112305792088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871543961512 is a wasteful number, since it uses less digits than its factorization.

2871543961512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231263 (or 12231253 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 2871543961512 in words is "two trillion, eight hundred seventy-one billion, five hundred forty-three million, nine hundred sixty-one thousand, five hundred twelve".