45520511503 has 4 divisors (see below), whose sum is σ = 45548629560. Its totient is φ = 45492393448.

The previous prime is 45520511497. The next prime is 45520511513. The reversal of 45520511503 is 30511502554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45520511503 - 2¹⁷ = 45520380431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45520511513) 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 3 ways as a sum of consecutive naturals, for example, 14056600 + ... + 14059837.

It is an arithmetic number, because the mean of its divisors is an integer number (11387157390).

Almost surely, 2^45520511503 is an apocalyptic number.

45520511503 is a deficient number, since it is larger than the sum of its proper divisors (28118057).

45520511503 is a wasteful number, since it uses less digits than its factorization.

45520511503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28118056.

The product of its (nonzero) digits is 15000, while the sum is 31.

It can be divided in two parts, 4552051 and 1503, that added together give a palindrome (4553554).

The spelling of 45520511503 in words is "forty-five billion, five hundred twenty million, five hundred eleven thousand, five hundred three".