11451343245221 has 8 divisors (see below), whose sum is σ = 12492409732704. Its totient is φ = 10410282638320.

The previous prime is 11451343245211. The next prime is 11451343245227. The reversal of 11451343245221 is 12254234315411.

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 11451343245221 - 2⁶ = 11451343245157 is a prime.

It is a super-2 number, since 2×11451343245221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451343245227) 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, 3264491 + ... + 5793063.

It is an arithmetic number, because the mean of its divisors is an integer number (1561551216588).

Almost surely, 2^{11451343245221} is an apocalyptic number.

11451343245221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11451343245221 is a deficient number, since it is larger than the sum of its proper divisors (1041066487483).

11451343245221 is a wasteful number, since it uses less digits than its factorization.

11451343245221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940291.

The product of its digits is 115200, while the sum is 38.

The spelling of 11451343245221 in words is "eleven trillion, four hundred fifty-one billion, three hundred forty-three million, two hundred forty-five thousand, two hundred twenty-one".