11616071271 has 64 divisors (see below), whose sum is σ = 18966528000. Its totient is φ = 6308990688.

The previous prime is 11616071267. The next prime is 11616071279. The reversal of 11616071271 is 17217061611.

It is not a de Polignac number, because 11616071271 - 2² = 11616071267 is a prime.

It is a super-2 number, since 2×11616071271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616071279) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3950920 + ... + 3953858.

It is an arithmetic number, because the mean of its divisors is an integer number (296352000).

Almost surely, 2^11616071271 is an apocalyptic number.

11616071271 is a deficient number, since it is larger than the sum of its proper divisors (7350456729).

11616071271 is a wasteful number, since it uses less digits than its factorization.

11616071271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3139 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 33.

The spelling of 11616071271 in words is "eleven billion, six hundred sixteen million, seventy-one thousand, two hundred seventy-one".