2775252525025 has 6 divisors (see below), whose sum is σ = 3441313131062. Its totient is φ = 2220202020000.

The previous prime is 2775252525007. The next prime is 2775252525047. The reversal of 2775252525025 is 5205252525772.

It can be written as a sum of positive squares in 3 ways, for example, as 32015587041 + 2743236937984 = 178929^2 + 1656272^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2775252525025 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2775252525025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55505050476 + ... + 55505050525.

Almost surely, 2^{2775252525025} is an apocalyptic number.

2775252525025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2775252525025 is a deficient number, since it is larger than the sum of its proper divisors (666060606037).

2775252525025 is a wasteful number, since it uses less digits than its factorization.

2775252525025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010101011 (or 111010101006 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 49.

The spelling of 2775252525025 in words is "two trillion, seven hundred seventy-five billion, two hundred fifty-two million, five hundred twenty-five thousand, twenty-five".