6155665101011 has 4 divisors (see below), whose sum is σ = 6156831172800. Its totient is φ = 6154499029224.

The previous prime is 6155665100951. The next prime is 6155665101017. The reversal of 6155665101011 is 1101015665516.

It is a happy number.

6155665101011 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 6155665101011 - 2²⁶ = 6155597992147 is a prime.

It is a super-3 number, since 3×6155665101011³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6155665101017) 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, 583027976 + ... + 583038533.

It is an arithmetic number, because the mean of its divisors is an integer number (1539207793200).

Almost surely, 2^{6155665101011} is an apocalyptic number.

6155665101011 is a deficient number, since it is larger than the sum of its proper divisors (1166071789).

6155665101011 is a wasteful number, since it uses less digits than its factorization.

6155665101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166071788.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 6155665101011 in words is "six trillion, one hundred fifty-five billion, six hundred sixty-five million, one hundred one thousand, eleven".