71428510575605 has 32 divisors (see below), whose sum is σ = 86217940512000. Its totient is φ = 56807929331712.

The previous prime is 71428510575601. The next prime is 71428510575743. The reversal of 71428510575605 is 50657501582417.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71428510575605 - 2² = 71428510575601 is a prime.

It is a super-2 number, since 2×71428510575605² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71428510575601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2873333666 + ... + 2873358524.

It is an arithmetic number, because the mean of its divisors is an integer number (2694310641000).

Almost surely, 2^{71428510575605} is an apocalyptic number.

It is an amenable number.

71428510575605 is a deficient number, since it is larger than the sum of its proper divisors (14789429936395).

71428510575605 is a wasteful number, since it uses less digits than its factorization.

71428510575605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29453.

The product of its (nonzero) digits is 11760000, while the sum is 56.

The spelling of 71428510575605 in words is "seventy-one trillion, four hundred twenty-eight billion, five hundred ten million, five hundred seventy-five thousand, six hundred five".