63115685527 has 2 divisors, whose sum is σ = 63115685528. Its totient is φ = 63115685526.

The previous prime is 63115685491. The next prime is 63115685573. The reversal of 63115685527 is 72558651136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63115685527 - 2¹¹ = 63115683479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63115685027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31557842763 + 31557842764.

It is an arithmetic number, because the mean of its divisors is an integer number (31557842764).

Almost surely, 2^63115685527 is an apocalyptic number.

63115685527 is a deficient number, since it is larger than the sum of its proper divisors (1).

63115685527 is an equidigital number, since it uses as much as digits as its factorization.

63115685527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 49.

The spelling of 63115685527 in words is "sixty-three billion, one hundred fifteen million, six hundred eighty-five thousand, five hundred twenty-seven".