13155202403001 has 12 divisors (see below), whose sum is σ = 19657198993380. Its totient is φ = 8467716489120.

The previous prime is 13155202402981. The next prime is 13155202403011. The reversal of 13155202403001 is 10030420255131.

13155202403001 is a `hidden beast` number, since 1 + 3 + 1 + 55 + 202 + 403 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9487016010000 + 3668186393001 = 3080100^2 + 1915251^2 .

It is not a de Polignac number, because 13155202403001 - 2²⁶ = 13155135294137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13155202403011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25201536910 + ... + 25201537431.

It is an arithmetic number, because the mean of its divisors is an integer number (1638099916115).

Almost surely, 2^{13155202403001} is an apocalyptic number.

It is an amenable number.

13155202403001 is a deficient number, since it is larger than the sum of its proper divisors (6501996590379).

13155202403001 is a wasteful number, since it uses less digits than its factorization.

13155202403001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50403074376 (or 50403074373 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13155202403001 its reverse (10030420255131), we get a palindrome (23185622658132).

The spelling of 13155202403001 in words is "thirteen trillion, one hundred fifty-five billion, two hundred two million, four hundred three thousand, one".