51055051520015 has 8 divisors (see below), whose sum is σ = 61305159511680. Its totient is φ = 40817976090912.

The previous prime is 51055051520009. The next prime is 51055051520051. The reversal of 51055051520015 is 51002515055015.

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 51055051520015 - 2¹⁶ = 51055051454479 is a prime.

It is a super-2 number, since 2×51055051520015² (a number of 28 digits) contains 22 as substring.

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, 3258132020 + ... + 3258147689.

It is an arithmetic number, because the mean of its divisors is an integer number (7663144938960).

Almost surely, 2^{51055051520015} is an apocalyptic number.

51055051520015 is a deficient number, since it is larger than the sum of its proper divisors (10250107991665).

51055051520015 is a wasteful number, since it uses less digits than its factorization.

51055051520015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516281281.

The product of its (nonzero) digits is 31250, while the sum is 35.

The spelling of 51055051520015 in words is "fifty-one trillion, fifty-five billion, fifty-one million, five hundred twenty thousand, fifteen".