61197502063 has 2 divisors, whose sum is σ = 61197502064. Its totient is φ = 61197502062.

The previous prime is 61197502043. The next prime is 61197502117. The reversal of 61197502063 is 36020579116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61197502063 - 2¹³ = 61197493871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61197502013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30598751031 + 30598751032.

It is an arithmetic number, because the mean of its divisors is an integer number (30598751032).

Almost surely, 2^61197502063 is an apocalyptic number.

61197502063 is a deficient number, since it is larger than the sum of its proper divisors (1).

61197502063 is an equidigital number, since it uses as much as digits as its factorization.

61197502063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 61197502063 in words is "sixty-one billion, one hundred ninety-seven million, five hundred two thousand, sixty-three".