1518150503481 has 24 divisors (see below), whose sum is σ = 2152026577920. Its totient is φ = 951789280512.

The previous prime is 1518150503477. The next prime is 1518150503533. The reversal of 1518150503481 is 1843050518151.

It is not a de Polignac number, because 1518150503481 - 2² = 1518150503477 is a prime.

It is a super-2 number, since 2×1518150503481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1518150502481) 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 23 ways as a sum of consecutive naturals, for example, 353160 + ... + 1777926.

It is an arithmetic number, because the mean of its divisors is an integer number (89667774080).

Almost surely, 2^{1518150503481} is an apocalyptic number.

It is an amenable number.

1518150503481 is a deficient number, since it is larger than the sum of its proper divisors (633876074439).

1518150503481 is a wasteful number, since it uses less digits than its factorization.

1518150503481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426033 (or 1426016 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 42.

The spelling of 1518150503481 in words is "one trillion, five hundred eighteen billion, one hundred fifty million, five hundred three thousand, four hundred eighty-one".