61516352707 has 2 divisors, whose sum is σ = 61516352708. Its totient is φ = 61516352706.

The previous prime is 61516352701. The next prime is 61516352717. The reversal of 61516352707 is 70725361516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61516352707 - 2¹⁵ = 61516319939 is a prime.

It is not a weakly prime, because it can be changed into another prime (61516352701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30758176353 + 30758176354.

It is an arithmetic number, because the mean of its divisors is an integer number (30758176354).

Almost surely, 2^61516352707 is an apocalyptic number.

61516352707 is a deficient number, since it is larger than the sum of its proper divisors (1).

61516352707 is an equidigital number, since it uses as much as digits as its factorization.

61516352707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 61516352707 in words is "sixty-one billion, five hundred sixteen million, three hundred fifty-two thousand, seven hundred seven".