11452465537221 has 16 divisors (see below), whose sum is σ = 15937136732160. Its totient is φ = 7301522001840.

The previous prime is 11452465537211. The next prime is 11452465537259. The reversal of 11452465537221 is 12273556425411.

It is not a de Polignac number, because 11452465537221 - 2⁵ = 11452465537189 is a prime.

It is a super-3 number, since 3×11452465537221³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452465537211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16701241 + ... + 17373438.

It is an arithmetic number, because the mean of its divisors is an integer number (996071045760).

Almost surely, 2^{11452465537221} is an apocalyptic number.

It is an amenable number.

11452465537221 is a deficient number, since it is larger than the sum of its proper divisors (4484671194939).

11452465537221 is a wasteful number, since it uses less digits than its factorization.

11452465537221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34079576.

The product of its digits is 2016000, while the sum is 48.

The spelling of 11452465537221 in words is "eleven trillion, four hundred fifty-two billion, four hundred sixty-five million, five hundred thirty-seven thousand, two hundred twenty-one".