25755387537 has 16 divisors (see below), whose sum is σ = 37833301440. Its totient is φ = 15454776000.

The previous prime is 25755387517. The next prime is 25755387589. The reversal of 25755387537 is 73578355752.

It is not a de Polignac number, because 25755387537 - 2¹⁴ = 25755371153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25755387517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3860362 + ... + 3867027.

It is an arithmetic number, because the mean of its divisors is an integer number (2364581340).

Almost surely, 2^25755387537 is an apocalyptic number.

It is an amenable number.

25755387537 is a deficient number, since it is larger than the sum of its proper divisors (12077913903).

25755387537 is a wasteful number, since it uses less digits than its factorization.

25755387537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727504.

The product of its digits is 30870000, while the sum is 57.

The spelling of 25755387537 in words is "twenty-five billion, seven hundred fifty-five million, three hundred eighty-seven thousand, five hundred thirty-seven".