503261523326761 has 16 divisors (see below), whose sum is σ = 512509888033920. Its totient is φ = 494074477711360.

The previous prime is 503261523326747. The next prime is 503261523326839. The reversal of 503261523326761 is 167623325162305.

It is a cyclic number.

It is not a de Polignac number, because 503261523326761 - 2¹⁹ = 503261522802473 is a prime.

It is a super-2 number, since 2×503261523326761² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503261523326699 and 503261523326708.

It is not an unprimeable number, because it can be changed into a prime (503261523326461) 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, 48935775 + ... + 58320091.

It is an arithmetic number, because the mean of its divisors is an integer number (32031868002120).

Almost surely, 2^{503261523326761} is an apocalyptic number.

It is an amenable number.

503261523326761 is a deficient number, since it is larger than the sum of its proper divisors (9248364707159).

503261523326761 is a wasteful number, since it uses less digits than its factorization.

503261523326761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9387584.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 503261523326761 in words is "five hundred three trillion, two hundred sixty-one billion, five hundred twenty-three million, three hundred twenty-six thousand, seven hundred sixty-one".