1150621303503 has 16 divisors (see below), whose sum is σ = 1753376768000. Its totient is φ = 657479487456.

The previous prime is 1150621303483. The next prime is 1150621303511. The reversal of 1150621303503 is 3053031260511.

It is not a de Polignac number, because 1150621303503 - 2¹⁶ = 1150621237967 is a prime.

It is a super-3 number, since 3×1150621303503³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150621303523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20373 + ... + 1517121.

It is an arithmetic number, because the mean of its divisors is an integer number (109586048000).

Almost surely, 2^{1150621303503} is an apocalyptic number.

1150621303503 is a deficient number, since it is larger than the sum of its proper divisors (602755464497).

1150621303503 is a wasteful number, since it uses less digits than its factorization.

1150621303503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533366.

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 1150621303503 in words is "one trillion, one hundred fifty billion, six hundred twenty-one million, three hundred three thousand, five hundred three".