51084225278615 has 8 divisors (see below), whose sum is σ = 61863465475680. Its totient is φ = 40492450128672.

The previous prime is 51084225278543. The next prime is 51084225278627. The reversal of 51084225278615 is 51687252248015.

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 51084225278615 - 2¹⁶ = 51084225213079 is a prime.

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, 46866261179 + ... + 46866262268.

It is an arithmetic number, because the mean of its divisors is an integer number (7732933184460).

Almost surely, 2^{51084225278615} is an apocalyptic number.

51084225278615 is a deficient number, since it is larger than the sum of its proper divisors (10779240197065).

51084225278615 is a wasteful number, since it uses less digits than its factorization.

51084225278615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93732523561.

The product of its (nonzero) digits is 10752000, while the sum is 56.

The spelling of 51084225278615 in words is "fifty-one trillion, eighty-four billion, two hundred twenty-five million, two hundred seventy-eight thousand, six hundred fifteen".