1425165065220 has 144 divisors (see below), whose sum is σ = 4460422159872. Its totient is φ = 339493340160.

The previous prime is 1425165065161. The next prime is 1425165065221. The reversal of 1425165065220 is 225605615241.

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

It is not an unprimeable number, because it can be changed into a prime (1425165065221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1952577 + ... + 2581256.

It is an arithmetic number, because the mean of its divisors is an integer number (30975153888).

Almost surely, 2^{1425165065220} is an apocalyptic number.

1425165065220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425165065220 is an abundant number, since it is smaller than the sum of its proper divisors (3035257094652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425165065220 is a wasteful number, since it uses less digits than its factorization.

1425165065220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533902 (or 4533887 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 1425165065220 in words is "one trillion, four hundred twenty-five billion, one hundred sixty-five million, sixty-five thousand, two hundred twenty".