1511042222113 has 2 divisors, whose sum is σ = 1511042222114. Its totient is φ = 1511042222112.

The previous prime is 1511042222093. The next prime is 1511042222143. The reversal of 1511042222113 is 3112222401151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816433323489 + 694608898624 = 903567^2 + 833432^2 .

It is an emirp because it is prime and its reverse (3112222401151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1511042222113 - 2³³ = 1502452287521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1511042222143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755521111056 + 755521111057.

It is an arithmetic number, because the mean of its divisors is an integer number (755521111057).

Almost surely, 2^{1511042222113} is an apocalyptic number.

It is an amenable number.

1511042222113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1511042222113 is an equidigital number, since it uses as much as digits as its factorization.

1511042222113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 1511042222113 its reverse (3112222401151), we get a palindrome (4623264623264).

The spelling of 1511042222113 in words is "one trillion, five hundred eleven billion, forty-two million, two hundred twenty-two thousand, one hundred thirteen".