1403224255451 has 4 divisors (see below), whose sum is σ = 1464234005712. Its totient is φ = 1342214505192.

The previous prime is 1403224255441. The next prime is 1403224255487. The reversal of 1403224255451 is 1545524223041.

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

It is a cyclic number.

It is not a de Polignac number, because 1403224255451 - 2¹⁰ = 1403224254427 is a prime.

It is a super-2 number, since 2×1403224255451² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403224255441) 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, 30504875096 + ... + 30504875141.

It is an arithmetic number, because the mean of its divisors is an integer number (366058501428).

Almost surely, 2^{1403224255451} is an apocalyptic number.

1403224255451 is a deficient number, since it is larger than the sum of its proper divisors (61009750261).

1403224255451 is an equidigital number, since it uses as much as digits as its factorization.

1403224255451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61009750260.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 1403224255451 its reverse (1545524223041), we get a palindrome (2948748478492).

The spelling of 1403224255451 in words is "one trillion, four hundred three billion, two hundred twenty-four million, two hundred fifty-five thousand, four hundred fifty-one".