1331445532151 has 12 divisors (see below), whose sum is σ = 1566226920960. Its totient is φ = 1128416113440.

The previous prime is 1331445532139. The next prime is 1331445532211. The reversal of 1331445532151 is 1512355441331.

It is not a de Polignac number, because 1331445532151 - 2¹⁸ = 1331445270007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331445532951) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 152649335 + ... + 152658056.

It is an arithmetic number, because the mean of its divisors is an integer number (130518910080).

Almost surely, 2^{1331445532151} is an apocalyptic number.

1331445532151 is a deficient number, since it is larger than the sum of its proper divisors (234781388809).

1331445532151 is an equidigital number, since it uses as much as digits as its factorization.

1331445532151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305307494 (or 305307487 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The spelling of 1331445532151 in words is "one trillion, three hundred thirty-one billion, four hundred forty-five million, five hundred thirty-two thousand, one hundred fifty-one".