6011781227 has 4 divisors (see below), whose sum is σ = 6013521696. Its totient is φ = 6010040760.

The previous prime is 6011781199. The next prime is 6011781257. The reversal of 6011781227 is 7221871106.

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 6011781227 - 2¹⁸ = 6011519083 is a prime.

It is a super-2 number, since 2×6011781227² = 72283027042619251058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6011781257) 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, 865043 + ... + 871964.

It is an arithmetic number, because the mean of its divisors is an integer number (1503380424).

Almost surely, 2^6011781227 is an apocalyptic number.

6011781227 is a deficient number, since it is larger than the sum of its proper divisors (1740469).

6011781227 is a wasteful number, since it uses less digits than its factorization.

6011781227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740468.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 6011781227 is about 77535.6771235023. The cubic root of 6011781227 is about 1818.3091435937.

The spelling of 6011781227 in words is "six billion, eleven million, seven hundred eighty-one thousand, two hundred twenty-seven".