1245541501255 has 8 divisors (see below), whose sum is σ = 1542864311424. Its totient is φ = 964290194400.

The previous prime is 1245541501247. The next prime is 1245541501301. The reversal of 1245541501255 is 5521051455421.

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

It is not a de Polignac number, because 1245541501255 - 2³ = 1245541501247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4017875656 + ... + 4017875965.

It is an arithmetic number, because the mean of its divisors is an integer number (192858038928).

Almost surely, 2^{1245541501255} is an apocalyptic number.

1245541501255 is a deficient number, since it is larger than the sum of its proper divisors (297322810169).

1245541501255 is an equidigital number, since it uses as much as digits as its factorization.

1245541501255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8035751657.

The product of its (nonzero) digits is 200000, while the sum is 40.

Adding to 1245541501255 its reverse (5521051455421), we get a palindrome (6766592956676).

The spelling of 1245541501255 in words is "one trillion, two hundred forty-five billion, five hundred forty-one million, five hundred one thousand, two hundred fifty-five".