61411501215377 has 2 divisors, whose sum is σ = 61411501215378. Its totient is φ = 61411501215376.

The previous prime is 61411501215341. The next prime is 61411501215413. The reversal of 61411501215377 is 77351210511416.

It is a balanced prime because it is at equal distance from previous prime (61411501215341) and next prime (61411501215413).

It can be written as a sum of positive squares in only one way, i.e., 34801079771536 + 26610421443841 = 5899244^2 + 5158529^2 .

It is a cyclic number.

It is not a de Polignac number, because 61411501215377 - 2⁸ = 61411501215121 is a prime.

It is not a weakly prime, because it can be changed into another prime (61411501215307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30705750607688 + 30705750607689.

It is an arithmetic number, because the mean of its divisors is an integer number (30705750607689).

Almost surely, 2^{61411501215377} is an apocalyptic number.

It is an amenable number.

61411501215377 is a deficient number, since it is larger than the sum of its proper divisors (1).

61411501215377 is an equidigital number, since it uses as much as digits as its factorization.

61411501215377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 61411501215377 in words is "sixty-one trillion, four hundred eleven billion, five hundred one million, two hundred fifteen thousand, three hundred seventy-seven".