1625289128204 has 24 divisors (see below), whose sum is σ = 3251890699680. Its totient is φ = 696271245696.

The previous prime is 1625289128201. The next prime is 1625289128207. The reversal of 1625289128204 is 4028219825261.

It is an interprime number because it is at equal distance from previous prime (1625289128201) and next prime (1625289128207).

It is not an unprimeable number, because it can be changed into a prime (1625289128201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11647649 + ... + 11786360.

It is an arithmetic number, because the mean of its divisors is an integer number (135495445820).

Almost surely, 2^{1625289128204} is an apocalyptic number.

1625289128204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1625289128204 is an abundant number, since it is smaller than the sum of its proper divisors (1626601571476).

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

1625289128204 is a wasteful number, since it uses less digits than its factorization.

1625289128204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23436497 (or 23436495 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 1625289128204 in words is "one trillion, six hundred twenty-five billion, two hundred eighty-nine million, one hundred twenty-eight thousand, two hundred four".