1011142481 has 2 divisors, whose sum is σ = 1011142482. Its totient is φ = 1011142480.

The previous prime is 1011142397. The next prime is 1011142487. The reversal of 1011142481 is 1842411101.

1011142481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972192400 + 38950081 = 31180^2 + 6241^2 .

It is an emirp because it is prime and its reverse (1842411101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011142481 - 2²² = 1006948177 is a prime.

It is a super-2 number, since 2×1011142481² = 2044818233765670722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011142487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505571240 + 505571241.

It is an arithmetic number, because the mean of its divisors is an integer number (505571241).

Almost surely, 2^1011142481 is an apocalyptic number.

It is an amenable number.

1011142481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011142481 is an equidigital number, since it uses as much as digits as its factorization.

1011142481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1011142481 is about 31798.4666454218. The cubic root of 1011142481 is about 1003.7004501118.

Adding to 1011142481 its reverse (1842411101), we get a palindrome (2853553582).

The spelling of 1011142481 in words is "one billion, eleven million, one hundred forty-two thousand, four hundred eighty-one".