11051540671 has 4 divisors (see below), whose sum is σ = 11053918432. Its totient is φ = 11049162912.

The previous prime is 11051540657. The next prime is 11051540683. The reversal of 11051540671 is 17604515011.

11051540671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11051540671 - 2¹¹ = 11051538623 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 (11051570671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181895 + ... + 1191208.

It is an arithmetic number, because the mean of its divisors is an integer number (2763479608).

Almost surely, 2^11051540671 is an apocalyptic number.

11051540671 is a deficient number, since it is larger than the sum of its proper divisors (2377761).

11051540671 is an equidigital number, since it uses as much as digits as its factorization.

11051540671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377760.

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11051540671 in words is "eleven billion, fifty-one million, five hundred forty thousand, six hundred seventy-one".