25255755802555 has 16 divisors (see below), whose sum is σ = 30326623329024. Its totient is φ = 20191461302880.

The previous prime is 25255755802547. The next prime is 25255755802561. The reversal of 25255755802555 is 55520855755252.

It is not a de Polignac number, because 25255755802555 - 2³ = 25255755802547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25255755802493 and 25255755802502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441791404 + ... + 441848566.

It is an arithmetic number, because the mean of its divisors is an integer number (1895413958064).

Almost surely, 2^{25255755802555} is an apocalyptic number.

25255755802555 is a deficient number, since it is larger than the sum of its proper divisors (5070867526469).

25255755802555 is a wasteful number, since it uses less digits than its factorization.

25255755802555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113106.

The product of its (nonzero) digits is 175000000, while the sum is 61.

The spelling of 25255755802555 in words is "twenty-five trillion, two hundred fifty-five billion, seven hundred fifty-five million, eight hundred two thousand, five hundred fifty-five".