520156531103 has 16 divisors (see below), whose sum is σ = 592395962400. Its totient is φ = 452375038080.

The previous prime is 520156531061. The next prime is 520156531117. The reversal of 520156531103 is 301135651025.

It is a cyclic number.

It is not a de Polignac number, because 520156531103 - 2⁶ = 520156531039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520156531103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520156531163) 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, 7444976 + ... + 7514517.

It is an arithmetic number, because the mean of its divisors is an integer number (37024747650).

Almost surely, 2^520156531103 is an apocalyptic number.

520156531103 is a deficient number, since it is larger than the sum of its proper divisors (72239431297).

520156531103 is a wasteful number, since it uses less digits than its factorization.

520156531103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14959642.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 520156531103 in words is "five hundred twenty billion, one hundred fifty-six million, five hundred thirty-one thousand, one hundred three".