2145425033525 has 6 divisors (see below), whose sum is σ = 2660327041602. Its totient is φ = 1716340026800.

The previous prime is 2145425033491. The next prime is 2145425033539. The reversal of 2145425033525 is 5253305245412.

It can be written as a sum of positive squares in 3 ways, for example, as 503523644836 + 1641901388689 = 709594^2 + 1281367^2 .

It is not a de Polignac number, because 2145425033525 - 2²⁸ = 2145156598069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42908500646 + ... + 42908500695.

It is an arithmetic number, because the mean of its divisors is an integer number (443387840267).

Almost surely, 2^{2145425033525} is an apocalyptic number.

2145425033525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2145425033525 is a deficient number, since it is larger than the sum of its proper divisors (514902008077).

2145425033525 is an equidigital number, since it uses as much as digits as its factorization.

2145425033525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85817001351 (or 85817001346 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 2145425033525 in words is "two trillion, one hundred forty-five billion, four hundred twenty-five million, thirty-three thousand, five hundred twenty-five".