51471615845485 has 8 divisors (see below), whose sum is σ = 67381024379616. Its totient is φ = 37433902433040.

The previous prime is 51471615845479. The next prime is 51471615845561. The reversal of 51471615845485 is 58454851617415.

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

It is not a de Polignac number, because 51471615845485 - 2⁷ = 51471615845357 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 467923780359 + ... + 467923780468.

It is an arithmetic number, because the mean of its divisors is an integer number (8422628047452).

Almost surely, 2^{51471615845485} is an apocalyptic number.

51471615845485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51471615845485 is a deficient number, since it is larger than the sum of its proper divisors (15909408534131).

51471615845485 is a wasteful number, since it uses less digits than its factorization.

51471615845485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935847560843.

The product of its digits is 107520000, while the sum is 64.

The spelling of 51471615845485 in words is "fifty-one trillion, four hundred seventy-one billion, six hundred fifteen million, eight hundred forty-five thousand, four hundred eighty-five".