15320020310001 has 24 divisors (see below), whose sum is σ = 24793087747584. Its totient is φ = 9033918608160.

The previous prime is 15320020309921. The next prime is 15320020310053. The reversal of 15320020310001 is 10001302002351.

15320020310001 is a `hidden beast` number, since 15 + 320 + 0 + 20 + 310 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 15320020310001 - 2¹¹ = 15320020307953 is a prime.

It is a super-5 number, since 5×15320020310001⁵ (a number of 67 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15320020310201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2091181201 + ... + 2091188526.

It is an arithmetic number, because the mean of its divisors is an integer number (1033045322816).

Almost surely, 2^{15320020310001} is an apocalyptic number.

15320020310001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15320020310001 is a deficient number, since it is larger than the sum of its proper divisors (9473067437583).

15320020310001 is a wasteful number, since it uses less digits than its factorization.

15320020310001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182369781 (or 4182369778 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 15320020310001 its reverse (10001302002351), we get a palindrome (25321322312352).

The spelling of 15320020310001 in words is "fifteen trillion, three hundred twenty billion, twenty million, three hundred ten thousand, one".