13531200001 has 4 divisors (see below), whose sum is σ = 14761309104. Its totient is φ = 12301090900.

The previous prime is 13531199939. The next prime is 13531200019. The reversal of 13531200001 is 10000213531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13531200001 - 2⁷ = 13531199873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531200101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615054535 + ... + 615054556.

It is an arithmetic number, because the mean of its divisors is an integer number (3690327276).

Almost surely, 2^13531200001 is an apocalyptic number.

13531200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13531200001 is a deficient number, since it is larger than the sum of its proper divisors (1230109103).

13531200001 is a wasteful number, since it uses less digits than its factorization.

13531200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230109102.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 13531200001 its reverse (10000213531), we get a palindrome (23531413532).

The spelling of 13531200001 in words is "thirteen billion, five hundred thirty-one million, two hundred thousand, one".