25523350116 has 24 divisors (see below), whose sum is σ = 64968527904. Its totient is φ = 7734348480.

The previous prime is 25523350091. The next prime is 25523350117. The reversal of 25523350116 is 61105332552.

It is a happy number.

It is a super-2 number, since 2×25523350116² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25523350117) 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 7 ways as a sum of consecutive naturals, for example, 96679225 + ... + 96679488.

It is an arithmetic number, because the mean of its divisors is an integer number (2707021996).

Almost surely, 2^25523350116 is an apocalyptic number.

It is an amenable number.

25523350116 is an abundant number, since it is smaller than the sum of its proper divisors (39445177788).

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

25523350116 is a wasteful number, since it uses less digits than its factorization.

25523350116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193358731 (or 193358729 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 25523350116 its reverse (61105332552), we get a palindrome (86628682668).

The spelling of 25523350116 in words is "twenty-five billion, five hundred twenty-three million, three hundred fifty thousand, one hundred sixteen".