124252005425513 has 4 divisors (see below), whose sum is σ = 142002291914880. Its totient is φ = 106501718936148.

The previous prime is 124252005425503. The next prime is 124252005425543. The reversal of 124252005425513 is 315524500252421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124252005425513 - 2¹⁰ = 124252005424489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124252005425503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875143244673 + ... + 8875143244686.

It is an arithmetic number, because the mean of its divisors is an integer number (35500572978720).

Almost surely, 2^{124252005425513} is an apocalyptic number.

It is an amenable number.

124252005425513 is a deficient number, since it is larger than the sum of its proper divisors (17750286489367).

124252005425513 is an equidigital number, since it uses as much as digits as its factorization.

124252005425513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750286489366.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 124252005425513 its reverse (315524500252421), we get a palindrome (439776505677934).

The spelling of 124252005425513 in words is "one hundred twenty-four trillion, two hundred fifty-two billion, five million, four hundred twenty-five thousand, five hundred thirteen".