2780250500255 has 8 divisors (see below), whose sum is σ = 3336472011552. Its totient is φ = 2224086126048.

The previous prime is 2780250500249. The next prime is 2780250500267. The reversal of 2780250500255 is 5520050520872.

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 2780250500255 - 2¹⁰ = 2780250499231 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, 14177147 + ... + 14371916.

It is an arithmetic number, because the mean of its divisors is an integer number (417059001444).

Almost surely, 2^{2780250500255} is an apocalyptic number.

2780250500255 is a deficient number, since it is larger than the sum of its proper divisors (556221511297).

2780250500255 is a wasteful number, since it uses less digits than its factorization.

2780250500255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28568545.

The product of its (nonzero) digits is 280000, while the sum is 41.

The spelling of 2780250500255 in words is "two trillion, seven hundred eighty billion, two hundred fifty million, five hundred thousand, two hundred fifty-five".