11051445156505 has 16 divisors (see below), whose sum is σ = 14742572995584. Its totient is φ = 7897806959040.

The previous prime is 11051445156497. The next prime is 11051445156517. The reversal of 11051445156505 is 50565154415011.

It is not a de Polignac number, because 11051445156505 - 2³ = 11051445156497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742292069 + ... + 2742296098.

It is an arithmetic number, because the mean of its divisors is an integer number (921410812224).

Almost surely, 2^{11051445156505} is an apocalyptic number.

It is an amenable number.

11051445156505 is a deficient number, since it is larger than the sum of its proper divisors (3691127839079).

11051445156505 is a wasteful number, since it uses less digits than its factorization.

11051445156505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484588216.

The product of its (nonzero) digits is 300000, while the sum is 43.

The spelling of 11051445156505 in words is "eleven trillion, fifty-one billion, four hundred forty-five million, one hundred fifty-six thousand, five hundred five".