51514442011 has 4 divisors (see below), whose sum is σ = 51605942472. Its totient is φ = 51422941552.

The previous prime is 51514441987. The next prime is 51514442051. The reversal of 51514442011 is 11024441515.

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 51514442011 - 2⁹ = 51514441499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51514442051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45749386 + ... + 45750511.

It is an arithmetic number, because the mean of its divisors is an integer number (12901485618).

Almost surely, 2^51514442011 is an apocalyptic number.

51514442011 is a deficient number, since it is larger than the sum of its proper divisors (91500461).

51514442011 is an equidigital number, since it uses as much as digits as its factorization.

51514442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91500460.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 51514442011 its reverse (11024441515), we get a palindrome (62538883526).

The spelling of 51514442011 in words is "fifty-one billion, five hundred fourteen million, four hundred forty-two thousand, eleven".