2788252511 has 4 divisors (see below), whose sum is σ = 3041730024. Its totient is φ = 2534775000.

The previous prime is 2788252507. The next prime is 2788252529. The reversal of 2788252511 is 1152528872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2788252511 - 2² = 2788252507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788252711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126738740 + ... + 126738761.

It is an arithmetic number, because the mean of its divisors is an integer number (760432506).

Almost surely, 2^2788252511 is an apocalyptic number.

2788252511 is a deficient number, since it is larger than the sum of its proper divisors (253477513).

2788252511 is a wasteful number, since it uses less digits than its factorization.

2788252511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253477512.

The product of its digits is 89600, while the sum is 41.

The square root of 2788252511 is about 52803.9062096735. The cubic root of 2788252511 is about 1407.4858389143.

The spelling of 2788252511 in words is "two billion, seven hundred eighty-eight million, two hundred fifty-two thousand, five hundred eleven".