1415200446661 has 2 divisors, whose sum is σ = 1415200446662. Its totient is φ = 1415200446660.

The previous prime is 1415200446637. The next prime is 1415200446689. The reversal of 1415200446661 is 1666440025141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382256381636 + 32944065025 = 1175694^2 + 181505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415200446661 - 2²⁵ = 1415166892229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415200446601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707600223330 + 707600223331.

It is an arithmetic number, because the mean of its divisors is an integer number (707600223331).

Almost surely, 2^{1415200446661} is an apocalyptic number.

It is an amenable number.

1415200446661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415200446661 is an equidigital number, since it uses as much as digits as its factorization.

1415200446661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1415200446661 in words is "one trillion, four hundred fifteen billion, two hundred million, four hundred forty-six thousand, six hundred sixty-one".