11451315450466 has 32 divisors (see below), whose sum is σ = 17310131629056. Its totient is φ = 5681456802000.

The previous prime is 11451315450437. The next prime is 11451315450473. The reversal of 11451315450466 is 66405451315411.

It is a happy number.

It is a super-2 number, since 2×11451315450466² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220229731 + ... + 220281721.

It is an arithmetic number, because the mean of its divisors is an integer number (540941613408).

Almost surely, 2^{11451315450466} is an apocalyptic number.

11451315450466 is a deficient number, since it is larger than the sum of its proper divisors (5858816178590).

11451315450466 is a wasteful number, since it uses less digits than its factorization.

11451315450466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53758.

The product of its (nonzero) digits is 864000, while the sum is 46.

Adding to 11451315450466 its reverse (66405451315411), we get a palindrome (77856766765877).

The spelling of 11451315450466 in words is "eleven trillion, four hundred fifty-one billion, three hundred fifteen million, four hundred fifty thousand, four hundred sixty-six".