1425131655 has 16 divisors (see below), whose sum is σ = 2281703424. Its totient is φ = 759572640.

The previous prime is 1425131647. The next prime is 1425131693. The reversal of 1425131655 is 5561315241.

It is not a de Polignac number, because 1425131655 - 2³ = 1425131647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6811 + ... + 53820.

It is an arithmetic number, because the mean of its divisors is an integer number (142606464).

Almost surely, 2^1425131655 is an apocalyptic number.

1425131655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1425131655 is a deficient number, since it is larger than the sum of its proper divisors (856571769).

1425131655 is a wasteful number, since it uses less digits than its factorization.

1425131655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62206.

The product of its digits is 18000, while the sum is 33.

The square root of 1425131655 is about 37750.9159491528. The cubic root of 1425131655 is about 1125.3432118265.

Adding to 1425131655 its reverse (5561315241), we get a palindrome (6986446896).

The spelling of 1425131655 in words is "one billion, four hundred twenty-five million, one hundred thirty-one thousand, six hundred fifty-five".