13445542450211 has 4 divisors (see below), whose sum is σ = 13509265400424. Its totient is φ = 13381819500000.

The previous prime is 13445542450189. The next prime is 13445542450279. The reversal of 13445542450211 is 11205424554431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13445542450211 - 2⁶ = 13445542450147 is a prime.

It is a super-2 number, since 2×13445542450211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13445542450811) 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, 31861474790 + ... + 31861475211.

It is an arithmetic number, because the mean of its divisors is an integer number (3377316350106).

Almost surely, 2^{13445542450211} is an apocalyptic number.

13445542450211 is a deficient number, since it is larger than the sum of its proper divisors (63722950213).

13445542450211 is an equidigital number, since it uses as much as digits as its factorization.

13445542450211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63722950212.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 13445542450211 in words is "thirteen trillion, four hundred forty-five billion, five hundred forty-two million, four hundred fifty thousand, two hundred eleven".