11212085051 has 8 divisors (see below), whose sum is σ = 11406487824. Its totient is φ = 11018478240.

The previous prime is 11212085039. The next prime is 11212085063. The reversal of 11212085051 is 15058021211.

It is an interprime number because it is at equal distance from previous prime (11212085039) and next prime (11212085063).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212085051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212085051.

It is not an unprimeable number, because it can be changed into a prime (11212085351) 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 7 ways as a sum of consecutive naturals, for example, 170540 + ... + 226953.

It is an arithmetic number, because the mean of its divisors is an integer number (1425810978).

Almost surely, 2^11212085051 is an apocalyptic number.

11212085051 is a deficient number, since it is larger than the sum of its proper divisors (194402773).

11212085051 is an equidigital number, since it uses as much as digits as its factorization.

11212085051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397981.

The product of its (nonzero) digits is 800, while the sum is 26.

The spelling of 11212085051 in words is "eleven billion, two hundred twelve million, eighty-five thousand, fifty-one".