61327111 has 2 divisors, whose sum is σ = 61327112. Its totient is φ = 61327110.

The previous prime is 61327087. The next prime is 61327121. The reversal of 61327111 is 11172316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61327111 - 2¹¹ = 61325063 is a prime.

It is a super-2 number, since 2×61327111² = 7522029087212642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61327121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30663555 + 30663556.

It is an arithmetic number, because the mean of its divisors is an integer number (30663556).

Almost surely, 2^61327111 is an apocalyptic number.

61327111 is a deficient number, since it is larger than the sum of its proper divisors (1).

61327111 is an equidigital number, since it uses as much as digits as its factorization.

61327111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 61327111 is about 7831.1628127629. The cubic root of 61327111 is about 394.3521099280.

Adding to 61327111 its reverse (11172316), we get a palindrome (72499427).

The spelling of 61327111 in words is "sixty-one million, three hundred twenty-seven thousand, one hundred eleven".