61648904161711 has 2 divisors, whose sum is σ = 61648904161712. Its totient is φ = 61648904161710.

The previous prime is 61648904161699. The next prime is 61648904161759. The reversal of 61648904161711 is 11716140984616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61648904161711 - 2²⁵ = 61648870607279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61648904161811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30824452080855 + 30824452080856.

It is an arithmetic number, because the mean of its divisors is an integer number (30824452080856).

Almost surely, 2^{61648904161711} is an apocalyptic number.

61648904161711 is a deficient number, since it is larger than the sum of its proper divisors (1).

61648904161711 is an equidigital number, since it uses as much as digits as its factorization.

61648904161711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 61648904161711 in words is "sixty-one trillion, six hundred forty-eight billion, nine hundred four million, one hundred sixty-one thousand, seven hundred eleven".