25283505611 has 16 divisors (see below), whose sum is σ = 31142672064. Its totient is φ = 19988774784.

The previous prime is 25283505571. The next prime is 25283505617. The reversal of 25283505611 is 11650538252.

It is a cyclic number.

It is not a de Polignac number, because 25283505611 - 2¹⁴ = 25283489227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25283505617) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7421 + ... + 224993.

It is an arithmetic number, because the mean of its divisors is an integer number (1946417004).

Almost surely, 2^25283505611 is an apocalyptic number.

25283505611 is a deficient number, since it is larger than the sum of its proper divisors (5859166453).

25283505611 is a wasteful number, since it uses less digits than its factorization.

25283505611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218870.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 25283505611 in words is "twenty-five billion, two hundred eighty-three million, five hundred five thousand, six hundred eleven".