25235771577055 has 32 divisors (see below), whose sum is σ = 33026139336960. Its totient is φ = 18399227258880.

The previous prime is 25235771577019. The next prime is 25235771577109. The reversal of 25235771577055 is 55077517753252.

It is not a de Polignac number, because 25235771577055 - 2¹³ = 25235771568863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25235771576984 and 25235771577002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348943579 + ... + 349015891.

It is an arithmetic number, because the mean of its divisors is an integer number (1032066854280).

Almost surely, 2^{25235771577055} is an apocalyptic number.

25235771577055 is a deficient number, since it is larger than the sum of its proper divisors (7790367759905).

25235771577055 is a wasteful number, since it uses less digits than its factorization.

25235771577055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140371.

The product of its (nonzero) digits is 90037500, while the sum is 61.

The spelling of 25235771577055 in words is "twenty-five trillion, two hundred thirty-five billion, seven hundred seventy-one million, five hundred seventy-seven thousand, fifty-five".