1245315503500 has 24 divisors (see below), whose sum is σ = 2719769060736. Its totient is φ = 498126201200.

The previous prime is 1245315503483. The next prime is 1245315503513. The reversal of 1245315503500 is 53055135421.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1245315004 + ... + 1245316003.

It is an arithmetic number, because the mean of its divisors is an integer number (113323710864).

Almost surely, 2^{1245315503500} is an apocalyptic number.

1245315503500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245315503500 is an abundant number, since it is smaller than the sum of its proper divisors (1474453557236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245315503500 is a wasteful number, since it uses less digits than its factorization.

1245315503500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490631026 (or 2490631014 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 1245315503500 in words is "one trillion, two hundred forty-five billion, three hundred fifteen million, five hundred three thousand, five hundred".