215045124001 has 2 divisors, whose sum is σ = 215045124002. Its totient is φ = 215045124000.

The previous prime is 215045123989. The next prime is 215045124017. The reversal of 215045124001 is 100421540512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201367587600 + 13677536401 = 448740^2 + 116951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215045124001 is a prime.

It is not a weakly prime, because it can be changed into another prime (215045124101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107522562000 + 107522562001.

It is an arithmetic number, because the mean of its divisors is an integer number (107522562001).

Almost surely, 2^215045124001 is an apocalyptic number.

It is an amenable number.

215045124001 is a deficient number, since it is larger than the sum of its proper divisors (1).

215045124001 is an equidigital number, since it uses as much as digits as its factorization.

215045124001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 215045124001 its reverse (100421540512), we get a palindrome (315466664513).

The spelling of 215045124001 in words is "two hundred fifteen billion, forty-five million, one hundred twenty-four thousand, one".