10105656601009 has 4 divisors (see below), whose sum is σ = 10637533264240. Its totient is φ = 9573779937780.

The previous prime is 10105656600967. The next prime is 10105656601043. The reversal of 10105656601009 is 90010665650101.

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.

It is not a de Polignac number, because 10105656601009 - 2¹³ = 10105656592817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10105656601309) 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, 265938331587 + ... + 265938331624.

It is an arithmetic number, because the mean of its divisors is an integer number (2659383316060).

Almost surely, 2^{10105656601009} is an apocalyptic number.

10105656601009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10105656601009 is a deficient number, since it is larger than the sum of its proper divisors (531876663231).

10105656601009 is an equidigital number, since it uses as much as digits as its factorization.

10105656601009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531876663230.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 10105656601009 in words is "ten trillion, one hundred five billion, six hundred fifty-six million, six hundred one thousand, nine".