25280757557755 has 16 divisors (see below), whose sum is σ = 34670846061504. Its totient is φ = 17335330191360.

The previous prime is 25280757557753. The next prime is 25280757557789. The reversal of 25280757557755 is 55775575708252.

It is not a de Polignac number, because 25280757557755 - 2¹ = 25280757557753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25280757557753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16982895 + ... + 18411415.

It is an arithmetic number, because the mean of its divisors is an integer number (2166927878844).

Almost surely, 2^{25280757557755} is an apocalyptic number.

25280757557755 is a deficient number, since it is larger than the sum of its proper divisors (9390088503749).

25280757557755 is a wasteful number, since it uses less digits than its factorization.

25280757557755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934166.

The product of its (nonzero) digits is 1200500000, while the sum is 70.

The spelling of 25280757557755 in words is "twenty-five trillion, two hundred eighty billion, seven hundred fifty-seven million, five hundred fifty-seven thousand, seven hundred fifty-five".