10100767540865 has 4 divisors (see below), whose sum is σ = 12120921049044. Its totient is φ = 8080614032688.

The previous prime is 10100767540859. The next prime is 10100767540909. The reversal of 10100767540865 is 56804576700101.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2458727489089 + 7642040051776 = 1568033^2 + 2764424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10100767540865 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 3 ways as a sum of consecutive naturals, for example, 1010076754082 + ... + 1010076754091.

It is an arithmetic number, because the mean of its divisors is an integer number (3030230262261).

Almost surely, 2^{10100767540865} is an apocalyptic number.

It is an amenable number.

10100767540865 is a deficient number, since it is larger than the sum of its proper divisors (2020153508179).

10100767540865 is an equidigital number, since it uses as much as digits as its factorization.

10100767540865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020153508178.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 10100767540865 in words is "ten trillion, one hundred billion, seven hundred sixty-seven million, five hundred forty thousand, eight hundred sixty-five".