71562020130165 has 16 divisors (see below), whose sum is σ = 114499356081408. Its totient is φ = 38166369445056.

The previous prime is 71562020130131. The next prime is 71562020130221. The reversal of 71562020130165 is 56103102026517.

It is not a de Polignac number, because 71562020130165 - 2⁴³ = 62765927107957 is a prime.

It is a super-2 number, since 2×71562020130165² (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 16115767 + ... + 20070923.

It is an arithmetic number, because the mean of its divisors is an integer number (7156209755088).

Almost surely, 2^{71562020130165} is an apocalyptic number.

It is an amenable number.

71562020130165 is a deficient number, since it is larger than the sum of its proper divisors (42937335951243).

71562020130165 is a wasteful number, since it uses less digits than its factorization.

71562020130165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161388.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 71562020130165 in words is "seventy-one trillion, five hundred sixty-two billion, twenty million, one hundred thirty thousand, one hundred sixty-five".