25326551052 has 72 divisors (see below), whose sum is σ = 70139880720. Its totient is φ = 7641745920.

The previous prime is 25326551051. The next prime is 25326551203. The reversal of 25326551052 is 25015562352.

25326551052 is a `hidden beast` number, since 2 + 5 + 32 + 65 + 510 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25326550998 and 25326551016.

It is not an unprimeable number, because it can be changed into a prime (25326551051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44977 + ... + 229512.

It is an arithmetic number, because the mean of its divisors is an integer number (974165010).

Almost surely, 2^25326551052 is an apocalyptic number.

25326551052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25326551052 is an abundant number, since it is smaller than the sum of its proper divisors (44813329668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25326551052 is a wasteful number, since it uses less digits than its factorization.

25326551052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274743 (or 274738 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

25326551052 divided by its sum of digits (36) gives a palindrome (703515307).

The spelling of 25326551052 in words is "twenty-five billion, three hundred twenty-six million, five hundred fifty-one thousand, fifty-two".