10247718155 has 4 divisors (see below), whose sum is σ = 12297261792. Its totient is φ = 8198174520.

The previous prime is 10247718109. The next prime is 10247718181. The reversal of 10247718155 is 55181774201.

10247718155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-10247718155 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024771811 + ... + 1024771820.

It is an arithmetic number, because the mean of its divisors is an integer number (3074315448).

Almost surely, 2^10247718155 is an apocalyptic number.

10247718155 is a deficient number, since it is larger than the sum of its proper divisors (2049543637).

10247718155 is an equidigital number, since it uses as much as digits as its factorization.

10247718155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049543636.

The product of its (nonzero) digits is 78400, while the sum is 41.

The spelling of 10247718155 in words is "ten billion, two hundred forty-seven million, seven hundred eighteen thousand, one hundred fifty-five".