71149494117 has 8 divisors (see below), whose sum is σ = 102163376224. Its totient is φ = 43784304048.

The previous prime is 71149494107. The next prime is 71149494127.

71149494117 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (71149494107) and next prime (71149494127).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71149494117 - 2¹² = 71149490021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71149494107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912172963 + ... + 912173040.

It is an arithmetic number, because the mean of its divisors is an integer number (12770422028).

Almost surely, 2^71149494117 is an apocalyptic number.

It is an amenable number.

71149494117 is a deficient number, since it is larger than the sum of its proper divisors (31013882107).

71149494117 is a wasteful number, since it uses less digits than its factorization.

71149494117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824346019.

The product of its digits is 254016, while the sum is 48.

The spelling of 71149494117 in words is "seventy-one billion, one hundred forty-nine million, four hundred ninety-four thousand, one hundred seventeen".