107861271517 has 4 divisors (see below), whose sum is σ = 107862067840. Its totient is φ = 107860475196.

The previous prime is 107861271503. The next prime is 107861271541. The reversal of 107861271517 is 715172168701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 715172168701 = 2447 ⋅292264883.

It is a cyclic number.

It is not a de Polignac number, because 107861271517 - 2²³ = 107852882909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107861271547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138573 + ... + 484690.

It is an arithmetic number, because the mean of its divisors is an integer number (26965516960).

Almost surely, 2^107861271517 is an apocalyptic number.

It is an amenable number.

107861271517 is a deficient number, since it is larger than the sum of its proper divisors (796323).

107861271517 is an equidigital number, since it uses as much as digits as its factorization.

107861271517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796322.

The product of its (nonzero) digits is 164640, while the sum is 46.

The spelling of 107861271517 in words is "one hundred seven billion, eight hundred sixty-one million, two hundred seventy-one thousand, five hundred seventeen".