6011155121 has 4 divisors (see below), whose sum is σ = 6013091700. Its totient is φ = 6009218544.

The previous prime is 6011155093. The next prime is 6011155151. The reversal of 6011155121 is 1215511106.

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 4124208400 + 1886946721 = 64220^2 + 43439^2 .

It is a cyclic number.

It is not a de Polignac number, because 6011155121 - 2¹⁸ = 6010892977 is a prime.

It is a super-2 number, since 2×6011155121² = 72267971777449049282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6011155151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963626 + ... + 969843.

It is an arithmetic number, because the mean of its divisors is an integer number (1503272925).

Almost surely, 2^6011155121 is an apocalyptic number.

It is an amenable number.

6011155121 is a deficient number, since it is larger than the sum of its proper divisors (1936579).

6011155121 is a wasteful number, since it uses less digits than its factorization.

6011155121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936578.

The product of its (nonzero) digits is 300, while the sum is 23.

The square root of 6011155121 is about 77531.6394835038. The cubic root of 6011155121 is about 1818.2460178885.

Adding to 6011155121 its reverse (1215511106), we get a palindrome (7226666227).

The spelling of 6011155121 in words is "six billion, eleven million, one hundred fifty-five thousand, one hundred twenty-one".