11051321125441 has 4 divisors (see below), whose sum is σ = 11119120641712. Its totient is φ = 10983521609172.

The previous prime is 11051321125387. The next prime is 11051321125447. The reversal of 11051321125441 is 14452112315011.

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 not a de Polignac number, because 11051321125441 - 2²¹ = 11051319028289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051321125447) 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, 33899757891 + ... + 33899758216.

It is an arithmetic number, because the mean of its divisors is an integer number (2779780160428).

Almost surely, 2^{11051321125441} is an apocalyptic number.

It is an amenable number.

11051321125441 is a deficient number, since it is larger than the sum of its proper divisors (67799516271).

11051321125441 is an equidigital number, since it uses as much as digits as its factorization.

11051321125441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67799516270.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 11051321125441 in words is "eleven trillion, fifty-one billion, three hundred twenty-one million, one hundred twenty-five thousand, four hundred forty-one".