65400124003 has 12 divisors (see below), whose sum is σ = 67618191312. Its totient is φ = 63251298720.

The previous prime is 65400124001. The next prime is 65400124021. The reversal of 65400124003 is 30042100456.

It is not a de Polignac number, because 65400124003 - 2¹ = 65400124001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65400124001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85593 + ... + 371653.

It is an arithmetic number, because the mean of its divisors is an integer number (5634849276).

Almost surely, 2^65400124003 is an apocalyptic number.

65400124003 is a deficient number, since it is larger than the sum of its proper divisors (2218067309).

65400124003 is a wasteful number, since it uses less digits than its factorization.

65400124003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286302 (or 286265 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 65400124003 its reverse (30042100456), we get a palindrome (95442224459).

The spelling of 65400124003 in words is "sixty-five billion, four hundred million, one hundred twenty-four thousand, three".