8271389513145 has 32 divisors (see below), whose sum is σ = 14462618886144. Its totient is φ = 4003347211200.

The previous prime is 8271389513119. The next prime is 8271389513159. The reversal of 8271389513145 is 5413159831728.

It is not a de Polignac number, because 8271389513145 - 2⁸ = 8271389512889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43802137 + ... + 43990566.

It is an arithmetic number, because the mean of its divisors is an integer number (451956840192).

Almost surely, 2^{8271389513145} is an apocalyptic number.

It is an amenable number.

8271389513145 is a deficient number, since it is larger than the sum of its proper divisors (6191229372999).

8271389513145 is a wasteful number, since it uses less digits than its factorization.

8271389513145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87793293.

The product of its digits is 7257600, while the sum is 57.

The spelling of 8271389513145 in words is "eight trillion, two hundred seventy-one billion, three hundred eighty-nine million, five hundred thirteen thousand, one hundred forty-five".