11507012271 has 24 divisors (see below), whose sum is σ = 16806840336. Its totient is φ = 7585992960.

The previous prime is 11507012249. The next prime is 11507012273. The reversal of 11507012271 is 17221070511.

It is not a de Polignac number, because 11507012271 - 2⁵ = 11507012239 is a prime.

It is a super-2 number, since 2×11507012271² (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 (11507012273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437761 + ... + 463301.

It is an arithmetic number, because the mean of its divisors is an integer number (700285014).

Almost surely, 2^11507012271 is an apocalyptic number.

11507012271 is a deficient number, since it is larger than the sum of its proper divisors (5299828065).

11507012271 is a wasteful number, since it uses less digits than its factorization.

11507012271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26103 (or 26100 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

Adding to 11507012271 its reverse (17221070511), we get a palindrome (28728082782).

The spelling of 11507012271 in words is "eleven billion, five hundred seven million, twelve thousand, two hundred seventy-one".