2015411201813 has 2 divisors, whose sum is σ = 2015411201814. Its totient is φ = 2015411201812.

The previous prime is 2015411201789. The next prime is 2015411201861. The reversal of 2015411201813 is 3181021145102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1502149286884 + 513261914929 = 1225622^2 + 716423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015411201813 - 2¹² = 2015411197717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015411206813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007705600906 + 1007705600907.

It is an arithmetic number, because the mean of its divisors is an integer number (1007705600907).

Almost surely, 2^{2015411201813} is an apocalyptic number.

It is an amenable number.

2015411201813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015411201813 is an equidigital number, since it uses as much as digits as its factorization.

2015411201813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

Adding to 2015411201813 its reverse (3181021145102), we get a palindrome (5196432346915).

The spelling of 2015411201813 in words is "two trillion, fifteen billion, four hundred eleven million, two hundred one thousand, eight hundred thirteen".