107555821503155 has 4 divisors (see below), whose sum is σ = 129066985803792. Its totient is φ = 86044657202520.

The previous prime is 107555821503083. The next prime is 107555821503181. The reversal of 107555821503155 is 551305128555701.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-107555821503155 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107555821503097 and 107555821503106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10755582150311 + ... + 10755582150320.

It is an arithmetic number, because the mean of its divisors is an integer number (32266746450948).

Almost surely, 2^{107555821503155} is an apocalyptic number.

107555821503155 is a deficient number, since it is larger than the sum of its proper divisors (21511164300637).

107555821503155 is an equidigital number, since it uses as much as digits as its factorization.

107555821503155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21511164300636.

The product of its (nonzero) digits is 5250000, while the sum is 53.

The spelling of 107555821503155 in words is "one hundred seven trillion, five hundred fifty-five billion, eight hundred twenty-one million, five hundred three thousand, one hundred fifty-five".