2775252492251 has 16 divisors (see below), whose sum is σ = 3094394529600. Its totient is φ = 2475515547648.

The previous prime is 2775252492209. The next prime is 2775252492301. The reversal of 2775252492251 is 1522942525772.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2775252492251 - 2³⁸ = 2500374585307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2775252492193 and 2775252492202.

It is not an unprimeable number, because it can be changed into a prime (2775252498251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32516246 + ... + 32601483.

It is an arithmetic number, because the mean of its divisors is an integer number (193399658100).

Almost surely, 2^{2775252492251} is an apocalyptic number.

2775252492251 is a deficient number, since it is larger than the sum of its proper divisors (319142037349).

2775252492251 is a wasteful number, since it uses less digits than its factorization.

2775252492251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65117878.

The product of its digits is 7056000, while the sum is 53.

The spelling of 2775252492251 in words is "two trillion, seven hundred seventy-five billion, two hundred fifty-two million, four hundred ninety-two thousand, two hundred fifty-one".