25552538011 has 32 divisors (see below), whose sum is σ = 34500211200. Its totient is φ = 18276641280.

The previous prime is 25552538003. The next prime is 25552538047. The reversal of 25552538011 is 11083525552.

It is a cyclic number.

It is not a de Polignac number, because 25552538011 - 2³ = 25552538003 is a prime.

It is a super-2 number, since 2×25552538011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25552538411) 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 31 ways as a sum of consecutive naturals, for example, 107875 + ... + 250483.

It is an arithmetic number, because the mean of its divisors is an integer number (1078131600).

Almost surely, 2^25552538011 is an apocalyptic number.

25552538011 is a deficient number, since it is larger than the sum of its proper divisors (8947673189).

25552538011 is a wasteful number, since it uses less digits than its factorization.

25552538011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142819.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 25552538011 in words is "twenty-five billion, five hundred fifty-two million, five hundred thirty-eight thousand, eleven".