6121153133 has 4 divisors (see below), whose sum is σ = 6123137820. Its totient is φ = 6119168448.

The previous prime is 6121153117. The next prime is 6121153141. The reversal of 6121153133 is 3313511216.

6121153133 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 can be written as a sum of positive squares in 2 ways, for example, as 5894861284 + 226291849 = 76778^2 + 15043^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121153133 - 2⁴ = 6121153117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121153333) 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, 987710 + ... + 993887.

It is an arithmetic number, because the mean of its divisors is an integer number (1530784455).

Almost surely, 2^6121153133 is an apocalyptic number.

It is an amenable number.

6121153133 is a deficient number, since it is larger than the sum of its proper divisors (1984687).

6121153133 is a wasteful number, since it uses less digits than its factorization.

6121153133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984686.

The product of its digits is 1620, while the sum is 26.

The square root of 6121153133 is about 78237.7986206156. The cubic root of 6121153133 is about 1829.2697309177.

Adding to 6121153133 its reverse (3313511216), we get a palindrome (9434664349).

The spelling of 6121153133 in words is "six billion, one hundred twenty-one million, one hundred fifty-three thousand, one hundred thirty-three".