1245432250505 has 8 divisors (see below), whose sum is σ = 1519849526400. Its totient is φ = 979458583216.

The previous prime is 1245432250483. The next prime is 1245432250507. The reversal of 1245432250505 is 5050522345421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245432250505 is a prime.

It is a super-2 number, since 2×1245432250505² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1245432250507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110901825 + ... + 2110902414.

It is an arithmetic number, because the mean of its divisors is an integer number (189981190800).

Almost surely, 2^{1245432250505} is an apocalyptic number.

It is an amenable number.

1245432250505 is a deficient number, since it is larger than the sum of its proper divisors (274417275895).

1245432250505 is an equidigital number, since it uses as much as digits as its factorization.

1245432250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221804303.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 1245432250505 its reverse (5050522345421), we get a palindrome (6295954595926).

The spelling of 1245432250505 in words is "one trillion, two hundred forty-five billion, four hundred thirty-two million, two hundred fifty thousand, five hundred five".