71457165677305 has 16 divisors (see below), whose sum is σ = 88412544310464. Its totient is φ = 55410065605440.

The previous prime is 71457165677263. The next prime is 71457165677353. The reversal of 71457165677305 is 50377656175417.

It is not a de Polignac number, because 71457165677305 - 2²³ = 71457157288697 is a prime.

It is a super-2 number, since 2×71457165677305² (a number of 29 digits) contains 22 as substring.

It is a Duffinian 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, 1268517294 + ... + 1268573623.

It is an arithmetic number, because the mean of its divisors is an integer number (5525784019404).

Almost surely, 2^{71457165677305} is an apocalyptic number.

It is an amenable number.

71457165677305 is a deficient number, since it is larger than the sum of its proper divisors (16955378633159).

71457165677305 is a wasteful number, since it uses less digits than its factorization.

71457165677305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537091096.

The product of its (nonzero) digits is 129654000, while the sum is 64.

The spelling of 71457165677305 in words is "seventy-one trillion, four hundred fifty-seven billion, one hundred sixty-five million, six hundred seventy-seven thousand, three hundred five".