71512800029 has 8 divisors (see below), whose sum is σ = 78016563072. Its totient is φ = 65009470240.

The previous prime is 71512800011. The next prime is 71512800059. The reversal of 71512800029 is 92000821517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71512800029 - 2²⁸ = 71244364573 is a prime.

It is a super-2 number, since 2×71512800029² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71512800059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305612 + ... + 486234.

It is an arithmetic number, because the mean of its divisors is an integer number (9752070384).

Almost surely, 2^71512800029 is an apocalyptic number.

It is an amenable number.

71512800029 is a deficient number, since it is larger than the sum of its proper divisors (6503763043).

71512800029 is a wasteful number, since it uses less digits than its factorization.

71512800029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216627.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 71512800029 in words is "seventy-one billion, five hundred twelve million, eight hundred thousand, twenty-nine".