61058111 has 2 divisors, whose sum is σ = 61058112. Its totient is φ = 61058110.

The previous prime is 61058071. The next prime is 61058117. The reversal of 61058111 is 11185016.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61058111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61058117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30529055 + 30529056.

It is an arithmetic number, because the mean of its divisors is an integer number (30529056).

Almost surely, 2^61058111 is an apocalyptic number.

61058111 is a deficient number, since it is larger than the sum of its proper divisors (1).

61058111 is an equidigital number, since it uses as much as digits as its factorization.

61058111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 61058111 is about 7813.9689658969. The cubic root of 61058111 is about 393.7746807071.

The spelling of 61058111 in words is "sixty-one million, fifty-eight thousand, one hundred eleven".