1151566715651 has 8 divisors (see below), whose sum is σ = 1272156556800. Its totient is φ = 1033627200840.

The previous prime is 1151566715597. The next prime is 1151566715669. The reversal of 1151566715651 is 1565176651511.

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 1151566715651 - 2³⁰ = 1150492973827 is a prime.

It is a super-2 number, since 2×1151566715651² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151566715651.

It is not an unprimeable number, because it can be changed into a prime (1151566715251) 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, 662580671 + ... + 662582408.

It is an arithmetic number, because the mean of its divisors is an integer number (159019569600).

Almost surely, 2^{1151566715651} is an apocalyptic number.

1151566715651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1151566715651 is a deficient number, since it is larger than the sum of its proper divisors (120589841149).

1151566715651 is a wasteful number, since it uses less digits than its factorization.

1151566715651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325163169.

The product of its digits is 945000, while the sum is 50.

The spelling of 1151566715651 in words is "one trillion, one hundred fifty-one billion, five hundred sixty-six million, seven hundred fifteen thousand, six hundred fifty-one".