11445662420431 has 8 divisors (see below), whose sum is σ = 11633369863104. Its totient is φ = 11257957353120.

The previous prime is 11445662420393. The next prime is 11445662420537. The reversal of 11445662420431 is 13402426654411.

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

It is a de Polignac number, because none of the positive numbers 2^k-11445662420431 is a prime.

It is a super-2 number, since 2×11445662420431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445662426431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10945866 + ... + 11945848.

It is an arithmetic number, because the mean of its divisors is an integer number (1454171232888).

Almost surely, 2^{11445662420431} is an apocalyptic number.

11445662420431 is a deficient number, since it is larger than the sum of its proper divisors (187707442673).

11445662420431 is an equidigital number, since it uses as much as digits as its factorization.

11445662420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187681.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 11445662420431 in words is "eleven trillion, four hundred forty-five billion, six hundred sixty-two million, four hundred twenty thousand, four hundred thirty-one".