1531324116001 has 16 divisors (see below), whose sum is σ = 1551686778880. Its totient is φ = 1511116410960.

The previous prime is 1531324115977. The next prime is 1531324116041. The reversal of 1531324116001 is 1006114231351.

It is a cyclic number.

It is not a de Polignac number, because 1531324116001 - 2³⁷ = 1393885162529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1531324116041) 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, 19892656 + ... + 19969486.

It is an arithmetic number, because the mean of its divisors is an integer number (96980423680).

Almost surely, 2^{1531324116001} is an apocalyptic number.

It is an amenable number.

1531324116001 is a deficient number, since it is larger than the sum of its proper divisors (20362662879).

1531324116001 is a wasteful number, since it uses less digits than its factorization.

1531324116001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77836.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 1531324116001 its reverse (1006114231351), we get a palindrome (2537438347352).

The spelling of 1531324116001 in words is "one trillion, five hundred thirty-one billion, three hundred twenty-four million, one hundred sixteen thousand, one".