503040051065 has 32 divisors (see below), whose sum is σ = 612050942880. Its totient is φ = 396865024000.

The previous prime is 503040051049. The next prime is 503040051067. The reversal of 503040051065 is 560150040305.

It can be written as a sum of positive squares in 16 ways, for example, as 8568094096 + 494471956969 = 92564^2 + 703187^2 .

It is not a de Polignac number, because 503040051065 - 2⁴ = 503040051049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503040051067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191925455 + ... + 191928075.

It is an arithmetic number, because the mean of its divisors is an integer number (19126591965).

Almost surely, 2^503040051065 is an apocalyptic number.

It is an amenable number.

503040051065 is a deficient number, since it is larger than the sum of its proper divisors (109010891815).

503040051065 is a wasteful number, since it uses less digits than its factorization.

503040051065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 503040051065 in words is "five hundred three billion, forty million, fifty-one thousand, sixty-five".