63311611337 has 16 divisors (see below), whose sum is σ = 68916793680. Its totient is φ = 57812448000.

The previous prime is 63311611309. The next prime is 63311611357. The reversal of 63311611337 is 73311611336.

It can be written as a sum of positive squares in 8 ways, for example, as 27048407296 + 36263204041 = 164464^2 + 190429^2 .

It is a cyclic number.

It is not a de Polignac number, because 63311611337 - 2¹⁴ = 63311594953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63311611297 and 63311611306.

It is not an unprimeable number, because it can be changed into a prime (63311611357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530239 + ... + 1571067.

It is an arithmetic number, because the mean of its divisors is an integer number (4307299605).

Almost surely, 2^63311611337 is an apocalyptic number.

It is an amenable number.

63311611337 is a deficient number, since it is larger than the sum of its proper divisors (5605182343).

63311611337 is a wasteful number, since it uses less digits than its factorization.

63311611337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42124.

The product of its digits is 20412, while the sum is 35.

Subtracting 63311611337 from its reverse (73311611336), we obtain a palindrome (9999999999).

The spelling of 63311611337 in words is "sixty-three billion, three hundred eleven million, six hundred eleven thousand, three hundred thirty-seven".