11051055050501 has 4 divisors (see below), whose sum is σ = 11320592978604. Its totient is φ = 10781517122400.

The previous prime is 11051055050423. The next prime is 11051055050507. The reversal of 11051055050501 is 10505055015011.

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 462636670276 + 10588418380225 = 680174^2 + 3253985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11051055050501 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 (11051055050507) 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, 134768963990 + ... + 134768964071.

It is an arithmetic number, because the mean of its divisors is an integer number (2830148244651).

Almost surely, 2^{11051055050501} is an apocalyptic number.

It is an amenable number.

11051055050501 is a deficient number, since it is larger than the sum of its proper divisors (269537928103).

11051055050501 is an equidigital number, since it uses as much as digits as its factorization.

11051055050501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269537928102.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 11051055050501 in words is "eleven trillion, fifty-one billion, fifty-five million, fifty thousand, five hundred one".