1240328191151 has 8 divisors (see below), whose sum is σ = 1418072320800. Its totient is φ = 1062722658528.

The previous prime is 1240328191133. The next prime is 1240328191171. The reversal of 1240328191151 is 1511918230421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240328191151 - 2¹⁸ = 1240327929007 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 (1240328191121) 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 7 ways as a sum of consecutive naturals, for example, 34630076 + ... + 34665873.

It is an arithmetic number, because the mean of its divisors is an integer number (177259040100).

Almost surely, 2^{1240328191151} is an apocalyptic number.

1240328191151 is a deficient number, since it is larger than the sum of its proper divisors (177744129649).

1240328191151 is an equidigital number, since it uses as much as digits as its factorization.

1240328191151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69298513.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 1240328191151 in words is "one trillion, two hundred forty billion, three hundred twenty-eight million, one hundred ninety-one thousand, one hundred fifty-one".