107720705515 has 8 divisors (see below), whose sum is σ = 129310980048. Its totient is φ = 86145808800.

The previous prime is 107720705509. The next prime is 107720705527. The reversal of 107720705515 is 515507027701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 107720705515 - 2³ = 107720705507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3829036 + ... + 3857065.

It is an arithmetic number, because the mean of its divisors is an integer number (16163872506).

Almost surely, 2^107720705515 is an apocalyptic number.

107720705515 is a deficient number, since it is larger than the sum of its proper divisors (21590274533).

107720705515 is an equidigital number, since it uses as much as digits as its factorization.

107720705515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688909.

The product of its (nonzero) digits is 85750, while the sum is 40.

The spelling of 107720705515 in words is "one hundred seven billion, seven hundred twenty million, seven hundred five thousand, five hundred fifteen".