61605061610611 has 2 divisors, whose sum is σ = 61605061610612. Its totient is φ = 61605061610610.

The previous prime is 61605061610591. The next prime is 61605061610621. The reversal of 61605061610611 is 11601616050616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61605061610611 - 2²⁵ = 61605028056179 is a prime.

It is not a weakly prime, because it can be changed into another prime (61605061610621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30802530805305 + 30802530805306.

It is an arithmetic number, because the mean of its divisors is an integer number (30802530805306).

Almost surely, 2^{61605061610611} is an apocalyptic number.

61605061610611 is a deficient number, since it is larger than the sum of its proper divisors (1).

61605061610611 is an equidigital number, since it uses as much as digits as its factorization.

61605061610611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 61605061610611 in words is "sixty-one trillion, six hundred five billion, sixty-one million, six hundred ten thousand, six hundred eleven".