71135014667 has 4 divisors (see below), whose sum is σ = 71135555736. Its totient is φ = 71134473600.

The previous prime is 71135014633. The next prime is 71135014673. The reversal of 71135014667 is 76641053117.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 76641053117 = 131 ⋅585046207.

It is a cyclic number.

It is not a de Polignac number, because 71135014667 - 2²⁶ = 71067905803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71135014967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67292 + ... + 383142.

It is an arithmetic number, because the mean of its divisors is an integer number (17783888934).

Almost surely, 2^71135014667 is an apocalyptic number.

71135014667 is a deficient number, since it is larger than the sum of its proper divisors (541069).

71135014667 is a wasteful number, since it uses less digits than its factorization.

71135014667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541068.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 71135014667 in words is "seventy-one billion, one hundred thirty-five million, fourteen thousand, six hundred sixty-seven".