2001412085501 has 2 divisors, whose sum is σ = 2001412085502. Its totient is φ = 2001412085500.

The previous prime is 2001412085489. The next prime is 2001412085539. The reversal of 2001412085501 is 1055802141002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1687530902500 + 313881183001 = 1299050^2 + 560251^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001412085501 - 2¹⁴ = 2001412069117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001412085801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000706042750 + 1000706042751.

It is an arithmetic number, because the mean of its divisors is an integer number (1000706042751).

Almost surely, 2^{2001412085501} is an apocalyptic number.

It is an amenable number.

2001412085501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001412085501 is an equidigital number, since it uses as much as digits as its factorization.

2001412085501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 2001412085501 in words is "two trillion, one billion, four hundred twelve million, eighty-five thousand, five hundred one".