10505605556011 has 8 divisors (see below), whose sum is σ = 11035943978400. Its totient is φ = 9981398213952.

The previous prime is 10505605556003. The next prime is 10505605556029. The reversal of 10505605556011 is 11065550650501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10505605556011 - 2³ = 10505605556003 is a prime.

It is a super-2 number, since 2×10505605556011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505605556051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532766570 + ... + 1532773423.

It is an arithmetic number, because the mean of its divisors is an integer number (1379492997300).

Almost surely, 2^{10505605556011} is an apocalyptic number.

10505605556011 is a deficient number, since it is larger than the sum of its proper divisors (530338422389).

10505605556011 is a wasteful number, since it uses less digits than its factorization.

10505605556011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065540165.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 10505605556011 in words is "ten trillion, five hundred five billion, six hundred five million, five hundred fifty-six thousand, eleven".