71455105232 has 40 divisors (see below), whose sum is σ = 159622241856. Its totient is φ = 30352605696.

The previous prime is 71455105231. The next prime is 71455105297. The reversal of 71455105232 is 23250155417.

It is a junction number, because it is equal to n+sod(n) for n = 71455105192 and 71455105201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71455105231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810318 + ... + 2835629.

Almost surely, 2^71455105232 is an apocalyptic number.

It is an amenable number.

71455105232 is an abundant number, since it is smaller than the sum of its proper divisors (88167136624).

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

71455105232 is a wasteful number, since it uses less digits than its factorization.

71455105232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646075 (or 5646069 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 71455105232 in words is "seventy-one billion, four hundred fifty-five million, one hundred five thousand, two hundred thirty-two".