51514441011 has 24 divisors (see below), whose sum is σ = 85446603840. Its totient is φ = 29577668400.

The previous prime is 51514441009. The next prime is 51514441037. The reversal of 51514441011 is 11014441515.

It is a happy number.

51514441011 is a `hidden beast` number, since 5 + 1 + 514 + 44 + 101 + 1 = 666.

It is not a de Polignac number, because 51514441011 - 2¹ = 51514441009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51514441081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13691485 + ... + 13695246.

It is an arithmetic number, because the mean of its divisors is an integer number (3560275160).

Almost surely, 2^51514441011 is an apocalyptic number.

51514441011 is a deficient number, since it is larger than the sum of its proper divisors (33932162829).

51514441011 is a wasteful number, since it uses less digits than its factorization.

51514441011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27386767 (or 27386764 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 51514441011 its reverse (11014441515), we get a palindrome (62528882526).

The spelling of 51514441011 in words is "fifty-one billion, five hundred fourteen million, four hundred forty-one thousand, eleven".