10506566155 has 16 divisors (see below), whose sum is σ = 12917306304. Its totient is φ = 8201410560.

The previous prime is 10506566153. The next prime is 10506566177. The reversal of 10506566155 is 55166560501.

It is not a de Polignac number, because 10506566155 - 2¹ = 10506566153 is a prime.

It is a super-2 number, since 2×10506566155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10506566153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118122 + ... + 186991.

It is an arithmetic number, because the mean of its divisors is an integer number (807331644).

Almost surely, 2^10506566155 is an apocalyptic number.

10506566155 is a deficient number, since it is larger than the sum of its proper divisors (2410740149).

10506566155 is an equidigital number, since it uses as much as digits as its factorization.

10506566155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305286.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 10506566155 in words is "ten billion, five hundred six million, five hundred sixty-six thousand, one hundred fifty-five".