51172444427115 has 32 divisors (see below), whose sum is σ = 90203524031232. Its totient is φ = 24565229840000.

The previous prime is 51172444427081. The next prime is 51172444427129.

51172444427115 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51172444427115 - 2⁹ = 51172444426603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535310201 + ... + 1535343530.

It is an arithmetic number, because the mean of its divisors is an integer number (2818860125976).

Almost surely, 2^{51172444427115} is an apocalyptic number.

51172444427115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51172444427115 is a deficient number, since it is larger than the sum of its proper divisors (39031079604117).

51172444427115 is a wasteful number, since it uses less digits than its factorization.

51172444427115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070653851.

The product of its digits is 1254400, while the sum is 48.

The spelling of 51172444427115 in words is "fifty-one trillion, one hundred seventy-two billion, four hundred forty-four million, four hundred twenty-seven thousand, one hundred fifteen".