1151656643459 has 8 divisors (see below), whose sum is σ = 1316219358720. Its totient is φ = 987104012616.

The previous prime is 1151656643453. The next prime is 1151656643491. The reversal of 1151656643459 is 9543466561511.

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 1151656643459 - 2¹⁶ = 1151656577923 is a prime.

It is a super-3 number, since 3×1151656643459³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1151656643453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274779 + ... + 2734580.

It is an arithmetic number, because the mean of its divisors is an integer number (164527419840).

Almost surely, 2^{1151656643459} is an apocalyptic number.

1151656643459 is a deficient number, since it is larger than the sum of its proper divisors (164562715261).

1151656643459 is an equidigital number, since it uses as much as digits as its factorization.

1151656643459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042209.

The product of its digits is 11664000, while the sum is 56.

The spelling of 1151656643459 in words is "one trillion, one hundred fifty-one billion, six hundred fifty-six million, six hundred forty-three thousand, four hundred fifty-nine".