13421201825191 has 8 divisors (see below), whose sum is σ = 13854489796224. Its totient is φ = 12987935477760.

The previous prime is 13421201825159. The next prime is 13421201825267. The reversal of 13421201825191 is 19152810212431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13421201825191 - 2⁵ = 13421201825159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421201825791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139806 + ... + 6631771.

It is an arithmetic number, because the mean of its divisors is an integer number (1731811224528).

Almost surely, 2^{13421201825191} is an apocalyptic number.

13421201825191 is a deficient number, since it is larger than the sum of its proper divisors (433287971033).

13421201825191 is a wasteful number, since it uses less digits than its factorization.

13421201825191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811801.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 13421201825191 in words is "thirteen trillion, four hundred twenty-one billion, two hundred one million, eight hundred twenty-five thousand, one hundred ninety-one".