10155665011 has 4 divisors (see below), whose sum is σ = 10208836224. Its totient is φ = 10102493800.

The previous prime is 10155664997. The next prime is 10155665017. The reversal of 10155665011 is 11056655101.

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

It is a cyclic number.

It is not a de Polignac number, because 10155665011 - 2²¹ = 10153567859 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10155665017) 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, 26585320 + ... + 26585701.

It is an arithmetic number, because the mean of its divisors is an integer number (2552209056).

Almost surely, 2^10155665011 is an apocalyptic number.

10155665011 is a deficient number, since it is larger than the sum of its proper divisors (53171213).

10155665011 is an equidigital number, since it uses as much as digits as its factorization.

10155665011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53171212.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 10155665011 in words is "ten billion, one hundred fifty-five million, six hundred sixty-five thousand, eleven".