5109172719015 has 32 divisors (see below), whose sum is σ = 8584428980736. Its totient is φ = 2589817127040.

The previous prime is 5109172718989. The next prime is 5109172719059.

5109172719015 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5109172719015 - 2⁸ = 5109172718759 is a prime.

It is a super-2 number, since 2×5109172719015² (a number of 26 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 31 ways as a sum of consecutive naturals, for example, 47108881 + ... + 47217210.

It is an arithmetic number, because the mean of its divisors is an integer number (268263405648).

Almost surely, 2^{5109172719015} is an apocalyptic number.

5109172719015 is a deficient number, since it is larger than the sum of its proper divisors (3475256261721).

5109172719015 is a wasteful number, since it uses less digits than its factorization.

5109172719015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94326279.

The product of its (nonzero) digits is 198450, while the sum is 48.

The spelling of 5109172719015 in words is "five trillion, one hundred nine billion, one hundred seventy-two million, seven hundred nineteen thousand, fifteen".