51403226515 has 8 divisors (see below), whose sum is σ = 62127641520. Its totient is φ = 40826734752.

The previous prime is 51403226489. The next prime is 51403226543. The reversal of 51403226515 is 51562230415.

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

It is a cyclic number.

It is not a de Polignac number, because 51403226515 - 2¹⁹ = 51402702227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36980044 + ... + 36981433.

It is an arithmetic number, because the mean of its divisors is an integer number (7765955190).

Almost surely, 2^51403226515 is an apocalyptic number.

51403226515 is a deficient number, since it is larger than the sum of its proper divisors (10724415005).

51403226515 is a wasteful number, since it uses less digits than its factorization.

51403226515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73961621.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 51403226515 in words is "fifty-one billion, four hundred three million, two hundred twenty-six thousand, five hundred fifteen".