1151428338565 has 8 divisors (see below), whose sum is σ = 1381753866240. Its totient is φ = 921116097552.

The previous prime is 1151428338493. The next prime is 1151428338653. The reversal of 1151428338565 is 5658338241511.

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 1151428338565 - 2²⁹ = 1150891467653 is a prime.

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, 3130005 + ... + 3478474.

It is an arithmetic number, because the mean of its divisors is an integer number (172719233280).

Almost surely, 2^{1151428338565} is an apocalyptic number.

It is an amenable number.

1151428338565 is a deficient number, since it is larger than the sum of its proper divisors (230325527675).

1151428338565 is an equidigital number, since it uses as much as digits as its factorization.

1151428338565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643331.

The product of its digits is 3456000, while the sum is 52.

The spelling of 1151428338565 in words is "one trillion, one hundred fifty-one billion, four hundred twenty-eight million, three hundred thirty-eight thousand, five hundred sixty-five".