61106911 has 2 divisors, whose sum is σ = 61106912. Its totient is φ = 61106910.

The previous prime is 61106879. The next prime is 61106917. The reversal of 61106911 is 11960116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61106911 - 2⁵ = 61106879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61106917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30553455 + 30553456.

It is an arithmetic number, because the mean of its divisors is an integer number (30553456).

Almost surely, 2^61106911 is an apocalyptic number.

61106911 is a deficient number, since it is larger than the sum of its proper divisors (1).

61106911 is an equidigital number, since it uses as much as digits as its factorization.

61106911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 61106911 is about 7817.0909550804. The cubic root of 61106911 is about 393.8795594143.

It can be divided in two parts, 6 and 1106911, that multiplied together give a palindrome (6641466).

The spelling of 61106911 in words is "sixty-one million, one hundred six thousand, nine hundred eleven".