503255520151 has 4 divisors (see below), whose sum is σ = 503258085304. Its totient is φ = 503252955000.

The previous prime is 503255520137. The next prime is 503255520191. The reversal of 503255520151 is 151025552305.

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 503255520151 - 2³¹ = 501108036503 is a prime.

It is a super-2 number, since 2×503255520151² (a number of 24 digits) contains 22 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 (503255520191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961500 + ... + 1389601.

It is an arithmetic number, because the mean of its divisors is an integer number (125814521326).

Almost surely, 2^503255520151 is an apocalyptic number.

503255520151 is a deficient number, since it is larger than the sum of its proper divisors (2565153).

503255520151 is a wasteful number, since it uses less digits than its factorization.

503255520151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565152.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 503255520151 in words is "five hundred three billion, two hundred fifty-five million, five hundred twenty thousand, one hundred fifty-one".