503042412666531 has 8 divisors (see below), whose sum is σ = 683378371924560. Its totient is φ = 329034030926432.

The previous prime is 503042412666529. The next prime is 503042412666649. The reversal of 503042412666531 is 135666214240305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503042412666531 - 2¹ = 503042412666529 is a prime.

It is a super-2 number, since 2×503042412666531² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503042412666931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581894379296 + ... + 1581894379613.

It is an arithmetic number, because the mean of its divisors is an integer number (85422296490570).

Almost surely, 2^{503042412666531} is an apocalyptic number.

503042412666531 is a deficient number, since it is larger than the sum of its proper divisors (180335959258029).

503042412666531 is a wasteful number, since it uses less digits than its factorization.

503042412666531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163788758965.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 503042412666531 in words is "five hundred three trillion, forty-two billion, four hundred twelve million, six hundred sixty-six thousand, five hundred thirty-one".