2780525255253 has 16 divisors (see below), whose sum is σ = 3902637742080. Its totient is φ = 1756055443824.

The previous prime is 2780525255243. The next prime is 2780525255267. The reversal of 2780525255253 is 3525525250872.

It is a happy number.

It is not a de Polignac number, because 2780525255253 - 2⁴ = 2780525255237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2780525255196 and 2780525255205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780525255243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 644950 + ... + 2444792.

It is an arithmetic number, because the mean of its divisors is an integer number (243914858880).

Almost surely, 2^{2780525255253} is an apocalyptic number.

It is an amenable number.

2780525255253 is a deficient number, since it is larger than the sum of its proper divisors (1122112486827).

2780525255253 is a wasteful number, since it uses less digits than its factorization.

2780525255253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826968.

The product of its (nonzero) digits is 8400000, while the sum is 51.

The spelling of 2780525255253 in words is "two trillion, seven hundred eighty billion, five hundred twenty-five million, two hundred fifty-five thousand, two hundred fifty-three".