2528000502778 has 4 divisors (see below), whose sum is σ = 3792000754170. Its totient is φ = 1264000251388.

The previous prime is 2528000502763. The next prime is 2528000502821. The reversal of 2528000502778 is 8772050008252.

2528000502778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2512424713969 + 15575788809 = 1585063^2 + 124803^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632000125693 + ... + 632000125696.

Almost surely, 2^{2528000502778} is an apocalyptic number.

2528000502778 is a deficient number, since it is larger than the sum of its proper divisors (1264000251392).

2528000502778 is a wasteful number, since it uses less digits than its factorization.

2528000502778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264000251391.

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 2528000502778 in words is "two trillion, five hundred twenty-eight billion, five hundred two thousand, seven hundred seventy-eight".