61334689511 has 2 divisors, whose sum is σ = 61334689512. Its totient is φ = 61334689510.

The previous prime is 61334689489. The next prime is 61334689523. The reversal of 61334689511 is 11598643316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61334689511 - 2¹⁸ = 61334427367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61334689541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30667344755 + 30667344756.

It is an arithmetic number, because the mean of its divisors is an integer number (30667344756).

Almost surely, 2^61334689511 is an apocalyptic number.

61334689511 is a deficient number, since it is larger than the sum of its proper divisors (1).

61334689511 is an equidigital number, since it uses as much as digits as its factorization.

61334689511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The spelling of 61334689511 in words is "sixty-one billion, three hundred thirty-four million, six hundred eighty-nine thousand, five hundred eleven".