10006531779655 has 4 divisors (see below), whose sum is σ = 12007838135592. Its totient is φ = 8005225423720.

The previous prime is 10006531779613. The next prime is 10006531779659. The reversal of 10006531779655 is 55697713560001.

10006531779655 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 not a de Polignac number, because 10006531779655 - 2¹³ = 10006531771463 is a prime.

It is a super-2 number, since 2×10006531779655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10006531779596 and 10006531779605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10006531779659) 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, 1000653177961 + ... + 1000653177970.

It is an arithmetic number, because the mean of its divisors is an integer number (3001959533898).

Almost surely, 2^{10006531779655} is an apocalyptic number.

10006531779655 is a deficient number, since it is larger than the sum of its proper divisors (2001306355937).

10006531779655 is an equidigital number, since it uses as much as digits as its factorization.

10006531779655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001306355936.

The product of its (nonzero) digits is 5953500, while the sum is 55.

The spelling of 10006531779655 in words is "ten trillion, six billion, five hundred thirty-one million, seven hundred seventy-nine thousand, six hundred fifty-five".