10006121155 has 16 divisors (see below), whose sum is σ = 12043309824. Its totient is φ = 7980956640.

The previous prime is 10006121141. The next prime is 10006121189. The reversal of 10006121155 is 55112160001.

It is a happy number.

It is not a de Polignac number, because 10006121155 - 2¹¹ = 10006119107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4694440 + ... + 4696570.

It is an arithmetic number, because the mean of its divisors is an integer number (752706864).

Almost surely, 2^10006121155 is an apocalyptic number.

10006121155 is a deficient number, since it is larger than the sum of its proper divisors (2037188669).

10006121155 is a wasteful number, since it uses less digits than its factorization.

10006121155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 10006121155 its reverse (55112160001), we get a palindrome (65118281156).

The spelling of 10006121155 in words is "ten billion, six million, one hundred twenty-one thousand, one hundred fifty-five".