11451146646403 has 4 divisors (see below), whose sum is σ = 11451713022360. Its totient is φ = 11450580270448.

The previous prime is 11451146646397. The next prime is 11451146646413. The reversal of 11451146646403 is 30464664115411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11451146646403 is a prime.

It is a super-2 number, since 2×11451146646403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451146646413) 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, 283157650 + ... + 283198087.

It is an arithmetic number, because the mean of its divisors is an integer number (2862928255590).

Almost surely, 2^{11451146646403} is an apocalyptic number.

11451146646403 is a deficient number, since it is larger than the sum of its proper divisors (566375957).

11451146646403 is an equidigital number, since it uses as much as digits as its factorization.

11451146646403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566375956.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 11451146646403 in words is "eleven trillion, four hundred fifty-one billion, one hundred forty-six million, six hundred forty-six thousand, four hundred three".