107216508761 has 2 divisors, whose sum is σ = 107216508762. Its totient is φ = 107216508760.

The previous prime is 107216508731. The next prime is 107216508787. The reversal of 107216508761 is 167805612701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104274097225 + 2942411536 = 322915^2 + 54244^2 .

It is a cyclic number.

It is not a de Polignac number, because 107216508761 - 2²² = 107212314457 is a prime.

It is a super-2 number, since 2×107216508761² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107216508731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53608254380 + 53608254381.

It is an arithmetic number, because the mean of its divisors is an integer number (53608254381).

Almost surely, 2^107216508761 is an apocalyptic number.

It is an amenable number.

107216508761 is a deficient number, since it is larger than the sum of its proper divisors (1).

107216508761 is an equidigital number, since it uses as much as digits as its factorization.

107216508761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 107216508761 in words is "one hundred seven billion, two hundred sixteen million, five hundred eight thousand, seven hundred sixty-one".