25152445728775 has 12 divisors (see below), whose sum is σ = 31246051061992. Its totient is φ = 20085170545440.

The previous prime is 25152445728757. The next prime is 25152445728793. The reversal of 25152445728775 is 57782754425152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25152445728757) and next prime (25152445728793).

It is a de Polignac number, because none of the positive numbers 2^k-25152445728775 is a prime.

It is a super-2 number, since 2×25152445728775² (a number of 28 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 919636992 + ... + 919664341.

Almost surely, 2^{25152445728775} is an apocalyptic number.

25152445728775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25152445728775 is a deficient number, since it is larger than the sum of its proper divisors (6093605333217).

25152445728775 is a wasteful number, since it uses less digits than its factorization.

25152445728775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839301890 (or 1839301885 counting only the distinct ones).

The product of its digits is 219520000, while the sum is 64.

The spelling of 25152445728775 in words is "twenty-five trillion, one hundred fifty-two billion, four hundred forty-five million, seven hundred twenty-eight thousand, seven hundred seventy-five".