1142013511 has 2 divisors, whose sum is σ = 1142013512.
Its totient is φ = 1142013510.
The previous prime is 1142013497. The next prime is 1142013541. The reversal of 1142013511 is 1153102411.
Adding to 1142013511 its reverse (1153102411), we get a palindrome (2295115922).
Subtracting 1142013511 from its reverse (1153102411), we obtain a square (11088900 = 33302).
It is a weak prime.
It is an emirp because it is prime and its reverse (1153102411) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1142013511 - 223 = 1133624903 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1142013541) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571006755 + 571006756.
It is an arithmetic number, because the mean of its divisors is an integer number (571006756).
Almost surely, 21142013511 is an apocalyptic number.
1142013511 is a deficient number, since it is larger than the sum of its proper divisors (1).
1142013511 is an equidigital number, since it uses as much as digits as its factorization.
1142013511 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120, while the sum is 19.
The square root of 1142013511 is about 33793.6904022038.
The cubic root of 1142013511 is about 1045.2585949165.
The spelling of 1142013511 in words is "one billion, one hundred forty-two million, thirteen thousand, five hundred eleven".