531401088407716 has 6 divisors (see below), whose sum is σ = 929951904713510. Its totient is φ = 265700544203856.

The previous prime is 531401088407671. The next prime is 531401088407747. The reversal of 531401088407716 is 617704880104135.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 442685976330816 + 88715112076900 = 21040104^2 + 9418870^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66425136050961 + ... + 66425136050968.

Almost surely, 2^{531401088407716} is an apocalyptic number.

It is an amenable number.

531401088407716 is a deficient number, since it is larger than the sum of its proper divisors (398550816305794).

531401088407716 is a wasteful number, since it uses less digits than its factorization.

531401088407716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132850272101933 (or 132850272101931 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 531401088407716 in words is "five hundred thirty-one trillion, four hundred one billion, eighty-eight million, four hundred seven thousand, seven hundred sixteen".