51033290011 has 4 divisors (see below), whose sum is σ = 55672680024. Its totient is φ = 46393900000.

The previous prime is 51033289987. The next prime is 51033290051. The reversal of 51033290011 is 11009233015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51033290011 - 2⁷ = 51033289883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51033290051) 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 3 ways as a sum of consecutive naturals, for example, 2319694990 + ... + 2319695011.

It is an arithmetic number, because the mean of its divisors is an integer number (13918170006).

Almost surely, 2^51033290011 is an apocalyptic number.

51033290011 is a deficient number, since it is larger than the sum of its proper divisors (4639390013).

51033290011 is a wasteful number, since it uses less digits than its factorization.

51033290011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639390012.

The product of its (nonzero) digits is 810, while the sum is 25.

The spelling of 51033290011 in words is "fifty-one billion, thirty-three million, two hundred ninety thousand, eleven".