11042587061 has 16 divisors (see below), whose sum is σ = 12130872768. Its totient is φ = 9968563200.

The previous prime is 11042587051. The next prime is 11042587069. The reversal of 11042587061 is 16078524011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11042587061 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 (11042587069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241771 + ... + 1250631.

It is an arithmetic number, because the mean of its divisors is an integer number (758179548).

Almost surely, 2^11042587061 is an apocalyptic number.

11042587061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11042587061 is a deficient number, since it is larger than the sum of its proper divisors (1088285707).

11042587061 is a wasteful number, since it uses less digits than its factorization.

11042587061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 11042587061 in words is "eleven billion, forty-two million, five hundred eighty-seven thousand, sixty-one".