11572611071 has 16 divisors (see below), whose sum is σ = 13285762560. Its totient is φ = 9874502880.

The previous prime is 11572611047. The next prime is 11572611073. The reversal of 11572611071 is 17011627511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11572611071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572611073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4267406 + ... + 4270116.

It is an arithmetic number, because the mean of its divisors is an integer number (830360160).

Almost surely, 2^11572611071 is an apocalyptic number.

11572611071 is a deficient number, since it is larger than the sum of its proper divisors (1713151489).

11572611071 is a wasteful number, since it uses less digits than its factorization.

11572611071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254.

The product of its (nonzero) digits is 2940, while the sum is 32.

The spelling of 11572611071 in words is "eleven billion, five hundred seventy-two million, six hundred eleven thousand, seventy-one".