1214141501561 has 2 divisors, whose sum is σ = 1214141501562. Its totient is φ = 1214141501560.

The previous prime is 1214141501519. The next prime is 1214141501563. The reversal of 1214141501561 is 1651051414121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105139177536 + 109002324025 = 1051256^2 + 330155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214141501561 is a prime.

Together with 1214141501563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1214141501563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607070750780 + 607070750781.

It is an arithmetic number, because the mean of its divisors is an integer number (607070750781).

Almost surely, 2^{1214141501561} is an apocalyptic number.

It is an amenable number.

1214141501561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214141501561 is an equidigital number, since it uses as much as digits as its factorization.

1214141501561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 32.

Adding to 1214141501561 its reverse (1651051414121), we get a palindrome (2865192915682).

The spelling of 1214141501561 in words is "one trillion, two hundred fourteen billion, one hundred forty-one million, five hundred one thousand, five hundred sixty-one".