1330555012251 has 32 divisors (see below), whose sum is σ = 1840379136000. Its totient is φ = 854056320768.

The previous prime is 1330555012247. The next prime is 1330555012301. The reversal of 1330555012251 is 1522105550331.

It is a happy number.

It is not a de Polignac number, because 1330555012251 - 2² = 1330555012247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330555012201) 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 31 ways as a sum of consecutive naturals, for example, 150120246 + ... + 150129108.

It is an arithmetic number, because the mean of its divisors is an integer number (57511848000).

Almost surely, 2^{1330555012251} is an apocalyptic number.

1330555012251 is a deficient number, since it is larger than the sum of its proper divisors (509824123749).

1330555012251 is a wasteful number, since it uses less digits than its factorization.

1330555012251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 1330555012251 in words is "one trillion, three hundred thirty billion, five hundred fifty-five million, twelve thousand, two hundred fifty-one".