63112578701 has 2 divisors, whose sum is σ = 63112578702. Its totient is φ = 63112578700.

The previous prime is 63112578649. The next prime is 63112578719. The reversal of 63112578701 is 10787521136.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55531393801 + 7581184900 = 235651^2 + 87070^2 .

It is a cyclic number.

It is not a de Polignac number, because 63112578701 - 2⁶ = 63112578637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63112578791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31556289350 + 31556289351.

It is an arithmetic number, because the mean of its divisors is an integer number (31556289351).

Almost surely, 2^63112578701 is an apocalyptic number.

It is an amenable number.

63112578701 is a deficient number, since it is larger than the sum of its proper divisors (1).

63112578701 is an equidigital number, since it uses as much as digits as its factorization.

63112578701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 63112578701 in words is "sixty-three billion, one hundred twelve million, five hundred seventy-eight thousand, seven hundred one".