1540014550503 has 32 divisors (see below), whose sum is σ = 2426274708480. Its totient is φ = 856566522240.

The previous prime is 1540014550471. The next prime is 1540014550531. The reversal of 1540014550503 is 3050554100451.

It is not a de Polignac number, because 1540014550503 - 2⁵ = 1540014550471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540014550573) 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, 10300863 + ... + 10449296.

It is an arithmetic number, because the mean of its divisors is an integer number (75821084640).

Almost surely, 2^{1540014550503} is an apocalyptic number.

1540014550503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1540014550503 is a deficient number, since it is larger than the sum of its proper divisors (886260157977).

1540014550503 is a wasteful number, since it uses less digits than its factorization.

1540014550503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20750359.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 1540014550503 its reverse (3050554100451), we get a palindrome (4590568650954).

The spelling of 1540014550503 in words is "one trillion, five hundred forty billion, fourteen million, five hundred fifty thousand, five hundred three".