2775252525245 has 8 divisors (see below), whose sum is σ = 3342325786584. Its totient is φ = 2212186849344.

The previous prime is 2775252525223. The next prime is 2775252525251. The reversal of 2775252525245 is 5425252525772.

It can be written as a sum of positive squares in 4 ways, for example, as 116334202084 + 2658918323161 = 341078^2 + 1630619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2775252525245 - 2¹⁸ = 2775252263101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001894834 + ... + 1001897603.

It is an arithmetic number, because the mean of its divisors is an integer number (417790723323).

Almost surely, 2^{2775252525245} is an apocalyptic number.

It is an amenable number.

2775252525245 is a deficient number, since it is larger than the sum of its proper divisors (567073261339).

2775252525245 is a wasteful number, since it uses less digits than its factorization.

2775252525245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003792719.

The product of its digits is 19600000, while the sum is 53.

The spelling of 2775252525245 in words is "two trillion, seven hundred seventy-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred forty-five".