1425635522551 has 8 divisors (see below), whose sum is σ = 1478002390704. Its totient is φ = 1374106524480.

The previous prime is 1425635522539. The next prime is 1425635522557. The reversal of 1425635522551 is 1552255365241.

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

It is not a de Polignac number, because 1425635522551 - 2⁹ = 1425635522039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425635522557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209464056 + ... + 209470861.

It is an arithmetic number, because the mean of its divisors is an integer number (184750298838).

Almost surely, 2^{1425635522551} is an apocalyptic number.

1425635522551 is a deficient number, since it is larger than the sum of its proper divisors (52366868153).

1425635522551 is an equidigital number, since it uses as much as digits as its factorization.

1425635522551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418935041.

The product of its digits is 1800000, while the sum is 46.

The spelling of 1425635522551 in words is "one trillion, four hundred twenty-five billion, six hundred thirty-five million, five hundred twenty-two thousand, five hundred fifty-one".