1425454302551 has 4 divisors (see below), whose sum is σ = 1460221480704. Its totient is φ = 1390687124400.

The previous prime is 1425454302497. The next prime is 1425454302553. The reversal of 1425454302551 is 1552034545241.

It is a happy number.

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 1425454302551 - 2⁶ = 1425454302487 is a prime.

It is a super-2 number, since 2×1425454302551² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 34767178111 = 1425454302551 / (1 + 4 + 2 + 5 + 4 + 5 + 4 + 3 + 0 + 2 + 5 + 5 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425454302499 and 1425454302508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425454302553) 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, 17383589015 + ... + 17383589096.

It is an arithmetic number, because the mean of its divisors is an integer number (365055370176).

Almost surely, 2^{1425454302551} is an apocalyptic number.

1425454302551 is a deficient number, since it is larger than the sum of its proper divisors (34767178153).

1425454302551 is an equidigital number, since it uses as much as digits as its factorization.

1425454302551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34767178152.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 1425454302551 its reverse (1552034545241), we get a palindrome (2977488847792).

The spelling of 1425454302551 in words is "one trillion, four hundred twenty-five billion, four hundred fifty-four million, three hundred two thousand, five hundred fifty-one".