2625075861538 has 16 divisors (see below), whose sum is σ = 4240596742200. Its totient is φ = 1211547879936.

The previous prime is 2625075861503. The next prime is 2625075861559. The reversal of 2625075861538 is 8351685705262.

It can be written as a sum of positive squares in 4 ways, for example, as 2216981036209 + 408094825329 = 1488953^2 + 638823^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 217138 + ... + 2301586.

Almost surely, 2^{2625075861538} is an apocalyptic number.

2625075861538 is a deficient number, since it is larger than the sum of its proper divisors (1615520880662).

2625075861538 is a wasteful number, since it uses less digits than its factorization.

2625075861538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132901.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 2625075861538 in words is "two trillion, six hundred twenty-five billion, seventy-five million, eight hundred sixty-one thousand, five hundred thirty-eight".