3807140180561 has 2 divisors, whose sum is σ = 3807140180562. Its totient is φ = 3807140180560.

The previous prime is 3807140180513. The next prime is 3807140180621. The reversal of 3807140180561 is 1650810417083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3050838622225 + 756301558336 = 1746665^2 + 869656^2 .

It is a cyclic number.

It is not a de Polignac number, because 3807140180561 - 2⁶ = 3807140180497 is a prime.

It is not a weakly prime, because it can be changed into another prime (3807140980561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903570090280 + 1903570090281.

It is an arithmetic number, because the mean of its divisors is an integer number (1903570090281).

Almost surely, 2^{3807140180561} is an apocalyptic number.

It is an amenable number.

3807140180561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3807140180561 is an equidigital number, since it uses as much as digits as its factorization.

3807140180561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 3807140180561 in words is "three trillion, eight hundred seven billion, one hundred forty million, one hundred eighty thousand, five hundred sixty-one".