51040511326 has 8 divisors (see below), whose sum is σ = 87498019440. Its totient is φ = 21874504848.

The previous prime is 51040511321. The next prime is 51040511339. The reversal of 51040511326 is 62311504015.

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

It is a junction number, because it is equal to n+sod(n) for n = 51040511294 and 51040511303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51040511321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822875391 + ... + 1822875418.

It is an arithmetic number, because the mean of its divisors is an integer number (10937252430).

Almost surely, 2^51040511326 is an apocalyptic number.

51040511326 is a deficient number, since it is larger than the sum of its proper divisors (36457508114).

51040511326 is a wasteful number, since it uses less digits than its factorization.

51040511326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645750818.

The product of its (nonzero) digits is 3600, while the sum is 28.

It can be divided in two parts, 510405 and 11326, that added together give a triangular number (521731 = T₁₀₂₁).

The spelling of 51040511326 in words is "fifty-one billion, forty million, five hundred eleven thousand, three hundred twenty-six".