61120605566479 has 2 divisors, whose sum is σ = 61120605566480. Its totient is φ = 61120605566478.

The previous prime is 61120605566473. The next prime is 61120605566483. The reversal of 61120605566479 is 97466550602116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61120605566479 - 2⁷ = 61120605566351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61120605566473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30560302783239 + 30560302783240.

It is an arithmetic number, because the mean of its divisors is an integer number (30560302783240).

Almost surely, 2^{61120605566479} is an apocalyptic number.

61120605566479 is a deficient number, since it is larger than the sum of its proper divisors (1).

61120605566479 is an equidigital number, since it uses as much as digits as its factorization.

61120605566479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 61120605566479 in words is "sixty-one trillion, one hundred twenty billion, six hundred five million, five hundred sixty-six thousand, four hundred seventy-nine".