11051056611 has 32 divisors (see below), whose sum is σ = 18718955520. Its totient is φ = 6312131712.

The previous prime is 11051056609. The next prime is 11051056613. The reversal of 11051056611 is 11665015011.

It is an interprime number because it is at equal distance from previous prime (11051056609) and next prime (11051056613).

It is not a de Polignac number, because 11051056611 - 2¹ = 11051056609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11051056613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469131 + ... + 492123.

It is an arithmetic number, because the mean of its divisors is an integer number (584967360).

Almost surely, 2^11051056611 is an apocalyptic number.

11051056611 is a deficient number, since it is larger than the sum of its proper divisors (7667898909).

11051056611 is a wasteful number, since it uses less digits than its factorization.

11051056611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25552 (or 25546 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 11051056611 in words is "eleven billion, fifty-one million, fifty-six thousand, six hundred eleven".