124440531011 has 2 divisors, whose sum is σ = 124440531012. Its totient is φ = 124440531010.

The previous prime is 124440530983. The next prime is 124440531043. The reversal of 124440531011 is 110135044421.

It is a weak prime.

It is an emirp because it is prime and its reverse (110135044421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124440531011 is a prime.

It is not a weakly prime, because it can be changed into another prime (124440531091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62220265505 + 62220265506.

It is an arithmetic number, because the mean of its divisors is an integer number (62220265506).

Almost surely, 2^124440531011 is an apocalyptic number.

124440531011 is a deficient number, since it is larger than the sum of its proper divisors (1).

124440531011 is an equidigital number, since it uses as much as digits as its factorization.

124440531011 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 26.

Adding to 124440531011 its reverse (110135044421), we get a palindrome (234575575432).

The spelling of 124440531011 in words is "one hundred twenty-four billion, four hundred forty million, five hundred thirty-one thousand, eleven".