1425112505427 has 16 divisors (see below), whose sum is σ = 2093904124928. Its totient is φ = 856597140000.

The previous prime is 1425112505419. The next prime is 1425112505431. The reversal of 1425112505427 is 7245052115241.

It is not a de Polignac number, because 1425112505427 - 2³ = 1425112505419 is a prime.

It is a super-2 number, since 2×1425112505427² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425112505407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424897699 + ... + 424901052.

It is an arithmetic number, because the mean of its divisors is an integer number (130869007808).

Almost surely, 2^{1425112505427} is an apocalyptic number.

1425112505427 is a deficient number, since it is larger than the sum of its proper divisors (668791619501).

1425112505427 is a wasteful number, since it uses less digits than its factorization.

1425112505427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849798810.

The product of its (nonzero) digits is 112000, while the sum is 39.

The spelling of 1425112505427 in words is "one trillion, four hundred twenty-five billion, one hundred twelve million, five hundred five thousand, four hundred twenty-seven".