1285180522001 has 2 divisors, whose sum is σ = 1285180522002. Its totient is φ = 1285180522000.

The previous prime is 1285180521869. The next prime is 1285180522027. The reversal of 1285180522001 is 1002250815821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649557014401 + 635623507600 = 805951^2 + 797260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1285180522001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1285180522061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642590261000 + 642590261001.

It is an arithmetic number, because the mean of its divisors is an integer number (642590261001).

Almost surely, 2^{1285180522001} is an apocalyptic number.

It is an amenable number.

1285180522001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285180522001 is an equidigital number, since it uses as much as digits as its factorization.

1285180522001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 35.

The spelling of 1285180522001 in words is "one trillion, two hundred eighty-five billion, one hundred eighty million, five hundred twenty-two thousand, one".