71147777151 has 16 divisors (see below), whose sum is σ = 103769676288. Its totient is φ = 43002364800.

The previous prime is 71147777147. The next prime is 71147777231. The reversal of 71147777151 is 15177774117.

It is not a de Polignac number, because 71147777151 - 2² = 71147777147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71147777151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71147777101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925210 + ... + 2949431.

It is an arithmetic number, because the mean of its divisors is an integer number (6485604768).

Almost surely, 2^71147777151 is an apocalyptic number.

71147777151 is a deficient number, since it is larger than the sum of its proper divisors (32621899137).

71147777151 is a wasteful number, since it uses less digits than its factorization.

71147777151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875022.

The product of its digits is 336140, while the sum is 48.

The spelling of 71147777151 in words is "seventy-one billion, one hundred forty-seven million, seven hundred seventy-seven thousand, one hundred fifty-one".