1151560515505 has 8 divisors (see below), whose sum is σ = 1381884825600. Its totient is φ = 921240274416.

The previous prime is 1151560515499. The next prime is 1151560515509. The reversal of 1151560515505 is 5055150651511.

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 1151560515505 - 2⁷ = 1151560515377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151560515509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355495 + ... + 1558684.

It is an arithmetic number, because the mean of its divisors is an integer number (172735603200).

Almost surely, 2^{1151560515505} is an apocalyptic number.

It is an amenable number.

1151560515505 is a deficient number, since it is larger than the sum of its proper divisors (230324310095).

1151560515505 is a wasteful number, since it uses less digits than its factorization.

1151560515505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034503.

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 1151560515505 in words is "one trillion, one hundred fifty-one billion, five hundred sixty million, five hundred fifteen thousand, five hundred five".