1425256376655 has 32 divisors (see below), whose sum is σ = 2292181862400. Its totient is φ = 756213891840.

The previous prime is 1425256376653. The next prime is 1425256376737. The reversal of 1425256376655 is 5566736525241.

It is a happy number.

It is not a de Polignac number, because 1425256376655 - 2¹ = 1425256376653 is a prime.

It is a super-3 number, since 3×1425256376655³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1425256376595 and 1425256376604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425256376653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25138219 + ... + 25194851.

It is an arithmetic number, because the mean of its divisors is an integer number (71630683200).

Almost surely, 2^{1425256376655} is an apocalyptic number.

1425256376655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1425256376655 is a deficient number, since it is larger than the sum of its proper divisors (866925485745).

1425256376655 is a wasteful number, since it uses less digits than its factorization.

1425256376655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65271.

The product of its digits is 45360000, while the sum is 57.

The spelling of 1425256376655 in words is "one trillion, four hundred twenty-five billion, two hundred fifty-six million, three hundred seventy-six thousand, six hundred fifty-five".