1151065385503 has 32 divisors (see below), whose sum is σ = 1335057085440. Its totient is φ = 980812224000.

The previous prime is 1151065385497. The next prime is 1151065385543. The reversal of 1151065385503 is 3055835601511.

It is a cyclic number.

It is not a de Polignac number, because 1151065385503 - 2¹³ = 1151065377311 is a prime.

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 1151065385503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151065385543) 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 31 ways as a sum of consecutive naturals, for example, 68675038 + ... + 68691796.

It is an arithmetic number, because the mean of its divisors is an integer number (41720533920).

Almost surely, 2^{1151065385503} is an apocalyptic number.

1151065385503 is a deficient number, since it is larger than the sum of its proper divisors (183991699937).

1151065385503 is a wasteful number, since it uses less digits than its factorization.

1151065385503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18279.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 1151065385503 in words is "one trillion, one hundred fifty-one billion, sixty-five million, three hundred eighty-five thousand, five hundred three".