71527135412 has 24 divisors (see below), whose sum is σ = 126163867200. Its totient is φ = 35480687616.

The previous prime is 71527135403. The next prime is 71527135441. The reversal of 71527135412 is 21453172517.

It is a super-2 number, since 2×71527135412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737753 + ... + 829055.

It is an arithmetic number, because the mean of its divisors is an integer number (5256827800).

Almost surely, 2^71527135412 is an apocalyptic number.

It is an amenable number.

71527135412 is a deficient number, since it is larger than the sum of its proper divisors (54636731788).

71527135412 is a wasteful number, since it uses less digits than its factorization.

71527135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92855 (or 92853 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The spelling of 71527135412 in words is "seventy-one billion, five hundred twenty-seven million, one hundred thirty-five thousand, four hundred twelve".