51401043215005 has 32 divisors (see below), whose sum is σ = 68393485036800. Its totient is φ = 36768804633600.

The previous prime is 51401043215003. The next prime is 51401043215023. The reversal of 51401043215005 is 50051234010415.

It is not a de Polignac number, because 51401043215005 - 2¹ = 51401043215003 is a prime.

It is a super-3 number, since 3×51401043215005³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401043215003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147073056 + ... + 147422134.

It is an arithmetic number, because the mean of its divisors is an integer number (2137296407400).

Almost surely, 2^{51401043215005} is an apocalyptic number.

51401043215005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51401043215005 is a deficient number, since it is larger than the sum of its proper divisors (16992441821795).

51401043215005 is a wasteful number, since it uses less digits than its factorization.

51401043215005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393045.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 51401043215005 in words is "fifty-one trillion, four hundred one billion, forty-three million, two hundred fifteen thousand, five".