1503303561672 has 64 divisors (see below), whose sum is σ = 4315704019200. Its totient is φ = 431570399040.

The previous prime is 1503303561647. The next prime is 1503303561673. The reversal of 1503303561672 is 2761653033051.

It is not an unprimeable number, because it can be changed into a prime (1503303561673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149845818 + ... + 149855849.

It is an arithmetic number, because the mean of its divisors is an integer number (67432875300).

Almost surely, 2^{1503303561672} is an apocalyptic number.

1503303561672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1503303561672 is an abundant number, since it is smaller than the sum of its proper divisors (2812400457528).

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

1503303561672 is a wasteful number, since it uses less digits than its factorization.

1503303561672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299701706 (or 299701702 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 42.

The spelling of 1503303561672 in words is "one trillion, five hundred three billion, three hundred three million, five hundred sixty-one thousand, six hundred seventy-two".