51365144156315 has 16 divisors (see below), whose sum is σ = 67242043058400. Its totient is φ = 37356246366720.

The previous prime is 51365144156309. The next prime is 51365144156327.

It is a happy number.

51365144156315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51365144156315 - 2¹⁴ = 51365144139931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6859361 + ... + 12238509.

It is an arithmetic number, because the mean of its divisors is an integer number (4202627691150).

Almost surely, 2^{51365144156315} is an apocalyptic number.

51365144156315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51365144156315 is a deficient number, since it is larger than the sum of its proper divisors (15876898902085).

51365144156315 is a wasteful number, since it uses less digits than its factorization.

51365144156315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552782.

The product of its digits is 3240000, while the sum is 50.

The spelling of 51365144156315 in words is "fifty-one trillion, three hundred sixty-five billion, one hundred forty-four million, one hundred fifty-six thousand, three hundred fifteen".