11271020727544 has 8 divisors (see below), whose sum is σ = 21133163864160. Its totient is φ = 5635510363768.

The previous prime is 11271020727509. The next prime is 11271020727619. The reversal of 11271020727544 is 44572702017211.

It is a happy number.

11271020727544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 11271020727544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704438795464 + ... + 704438795479.

It is an arithmetic number, because the mean of its divisors is an integer number (2641645483020).

Almost surely, 2^{11271020727544} is an apocalyptic number.

It is an amenable number.

11271020727544 is a deficient number, since it is larger than the sum of its proper divisors (9862143136616).

11271020727544 is a wasteful number, since it uses less digits than its factorization.

11271020727544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408877590949 (or 1408877590945 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 43.

The spelling of 11271020727544 in words is "eleven trillion, two hundred seventy-one billion, twenty million, seven hundred twenty-seven thousand, five hundred forty-four".