11061055061 has 4 divisors (see below), whose sum is σ = 12641205792. Its totient is φ = 9480904332.

The previous prime is 11061055043. The next prime is 11061055063. The reversal of 11061055061 is 16055016011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11061055061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11061055061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061055063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790075355 + ... + 790075368.

It is an arithmetic number, because the mean of its divisors is an integer number (3160301448).

Almost surely, 2^11061055061 is an apocalyptic number.

It is an amenable number.

11061055061 is a deficient number, since it is larger than the sum of its proper divisors (1580150731).

11061055061 is an equidigital number, since it uses as much as digits as its factorization.

11061055061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580150730.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 11061055061 in words is "eleven billion, sixty-one million, fifty-five thousand, sixty-one".