1025254114505 has 4 divisors (see below), whose sum is σ = 1230304937412. Its totient is φ = 820203291600.

The previous prime is 1025254114441. The next prime is 1025254114517. The reversal of 1025254114505 is 5054114525201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128695105081 + 896559009424 = 358741^2 + 946868^2 .

It is not a de Polignac number, because 1025254114505 - 2⁶ = 1025254114441 is a prime.

It is a super-2 number, since 2×1025254114505² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102525411446 + ... + 102525411455.

It is an arithmetic number, because the mean of its divisors is an integer number (307576234353).

Almost surely, 2^{1025254114505} is an apocalyptic number.

It is an amenable number.

1025254114505 is a deficient number, since it is larger than the sum of its proper divisors (205050822907).

1025254114505 is an equidigital number, since it uses as much as digits as its factorization.

1025254114505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205050822906.

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 1025254114505 its reverse (5054114525201), we get a palindrome (6079368639706).

The spelling of 1025254114505 in words is "one trillion, twenty-five billion, two hundred fifty-four million, one hundred fourteen thousand, five hundred five".