10506135655 has 4 divisors (see below), whose sum is σ = 12607362792. Its totient is φ = 8404908520.

The previous prime is 10506135641. The next prime is 10506135659. The reversal of 10506135655 is 55653160501.

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

It is not a de Polignac number, because 10506135655 - 2¹⁹ = 10505611367 is a prime.

It is a super-3 number, since 3×10506135655³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506135659) 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, 1050613561 + ... + 1050613570.

It is an arithmetic number, because the mean of its divisors is an integer number (3151840698).

Almost surely, 2^10506135655 is an apocalyptic number.

10506135655 is a deficient number, since it is larger than the sum of its proper divisors (2101227137).

10506135655 is an equidigital number, since it uses as much as digits as its factorization.

10506135655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101227136.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 10506135655 in words is "ten billion, five hundred six million, one hundred thirty-five thousand, six hundred fifty-five".