7681310531503 has 8 divisors (see below), whose sum is σ = 8786599492608. Its totient is φ = 6578011291704.

The previous prime is 7681310531501. The next prime is 7681310531527. The reversal of 7681310531503 is 3051350131867.

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 7681310531503 - 2¹ = 7681310531501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7681310531503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7681310531501) 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, 497422051 + ... + 497437492.

It is an arithmetic number, because the mean of its divisors is an integer number (1098324936576).

Almost surely, 2^{7681310531503} is an apocalyptic number.

7681310531503 is a deficient number, since it is larger than the sum of its proper divisors (1105288961105).

7681310531503 is a wasteful number, since it uses less digits than its factorization.

7681310531503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994860653.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 7681310531503 in words is "seven trillion, six hundred eighty-one billion, three hundred ten million, five hundred thirty-one thousand, five hundred three".