1245315235555 has 8 divisors (see below), whose sum is σ = 1515425864544. Its totient is φ = 982220467200.

The previous prime is 1245315235547. The next prime is 1245315235559. The reversal of 1245315235555 is 5555325135421.

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

It is not a de Polignac number, because 1245315235555 - 2³ = 1245315235547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245315235559) 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, 1753964766 + ... + 1753965475.

It is an arithmetic number, because the mean of its divisors is an integer number (189428233068).

Almost surely, 2^{1245315235555} is an apocalyptic number.

1245315235555 is a deficient number, since it is larger than the sum of its proper divisors (270110628989).

1245315235555 is an equidigital number, since it uses as much as digits as its factorization.

1245315235555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507930317.

The product of its digits is 2250000, while the sum is 46.

The spelling of 1245315235555 in words is "one trillion, two hundred forty-five billion, three hundred fifteen million, two hundred thirty-five thousand, five hundred fifty-five".