11055560501 has 4 divisors (see below), whose sum is σ = 11055813900. Its totient is φ = 11055307104.

The previous prime is 11055560491. The next prime is 11055560507. The reversal of 11055560501 is 10506555011.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10528812100 + 526748401 = 102610^2 + 22951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11055560501 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 (11055560507) 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, 42686 + ... + 154703.

It is an arithmetic number, because the mean of its divisors is an integer number (2763953475).

Almost surely, 2^11055560501 is an apocalyptic number.

It is an amenable number.

11055560501 is a deficient number, since it is larger than the sum of its proper divisors (253399).

11055560501 is an equidigital number, since it uses as much as digits as its factorization.

11055560501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253398.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 11055560501 in words is "eleven billion, fifty-five million, five hundred sixty thousand, five hundred one".