1447400311055 has 4 divisors (see below), whose sum is σ = 1736880373272. Its totient is φ = 1157920248840.

The previous prime is 1447400311009. The next prime is 1447400311057. The reversal of 1447400311055 is 5501130047441.

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

It is not a de Polignac number, because 1447400311055 - 2⁶ = 1447400310991 is a prime.

It is a super-2 number, since 2×1447400311055² (a number of 25 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 (1447400311057) 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, 144740031101 + ... + 144740031110.

It is an arithmetic number, because the mean of its divisors is an integer number (434220093318).

Almost surely, 2^{1447400311055} is an apocalyptic number.

1447400311055 is a deficient number, since it is larger than the sum of its proper divisors (289480062217).

1447400311055 is an equidigital number, since it uses as much as digits as its factorization.

1447400311055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289480062216.

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 1447400311055 its reverse (5501130047441), we get a palindrome (6948530358496).

The spelling of 1447400311055 in words is "one trillion, four hundred forty-seven billion, four hundred million, three hundred eleven thousand, fifty-five".