11451466452638 has 8 divisors (see below), whose sum is σ = 17177214187632. Its totient is φ = 5725728390096.

The previous prime is 11451466452637. The next prime is 11451466452677. The reversal of 11451466452638 is 83625466415411.

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

It is a super-2 number, since 2×11451466452638² (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 (11451466452637) 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, 2755631 + ... + 5522357.

It is an arithmetic number, because the mean of its divisors is an integer number (2147151773454).

Almost surely, 2^{11451466452638} is an apocalyptic number.

11451466452638 is a deficient number, since it is larger than the sum of its proper divisors (5725747734994).

11451466452638 is a wasteful number, since it uses less digits than its factorization.

11451466452638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836226.

The product of its digits is 16588800, while the sum is 56.

The spelling of 11451466452638 in words is "eleven trillion, four hundred fifty-one billion, four hundred sixty-six million, four hundred fifty-two thousand, six hundred thirty-eight".