11612512271 has 8 divisors (see below), whose sum is σ = 11932749360. Its totient is φ = 11292611328.

The previous prime is 11612512259. The next prime is 11612512277. The reversal of 11612512271 is 17221521611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11612512271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612512277) 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, 13181 + ... + 152966.

It is an arithmetic number, because the mean of its divisors is an integer number (1491593670).

Almost surely, 2^11612512271 is an apocalyptic number.

11612512271 is a deficient number, since it is larger than the sum of its proper divisors (320237089).

11612512271 is a wasteful number, since it uses less digits than its factorization.

11612512271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168073.

The product of its digits is 1680, while the sum is 29.

The spelling of 11612512271 in words is "eleven billion, six hundred twelve million, five hundred twelve thousand, two hundred seventy-one".