1331455247452 has 24 divisors (see below), whose sum is σ = 2544434145792. Its totient is φ = 604596207600.

The previous prime is 1331455247387. The next prime is 1331455247497. The reversal of 1331455247452 is 2547425541331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15223978 + ... + 15311185.

It is an arithmetic number, because the mean of its divisors is an integer number (106018089408).

Almost surely, 2^{1331455247452} is an apocalyptic number.

It is an amenable number.

1331455247452 is a deficient number, since it is larger than the sum of its proper divisors (1212978898340).

1331455247452 is a wasteful number, since it uses less digits than its factorization.

1331455247452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30536169 (or 30536167 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

The spelling of 1331455247452 in words is "one trillion, three hundred thirty-one billion, four hundred fifty-five million, two hundred forty-seven thousand, four hundred fifty-two".