25455134052 has 36 divisors (see below), whose sum is σ = 66083977596. Its totient is φ = 8255718720.

The previous prime is 25455134027. The next prime is 25455134071. The reversal of 25455134052 is 25043155452.

25455134052 is a `hidden beast` number, since 2 + 54 + 5 + 513 + 40 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22732799076 + 2722334976 = 150774^2 + 52176^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 25455133998 and 25455134016.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9553899 + ... + 9556562.

Almost surely, 2^25455134052 is an apocalyptic number.

It is an amenable number.

25455134052 is an abundant number, since it is smaller than the sum of its proper divisors (40628843544).

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

25455134052 is a wasteful number, since it uses less digits than its factorization.

25455134052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19110508 (or 19110503 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 25455134052 in words is "twenty-five billion, four hundred fifty-five million, one hundred thirty-four thousand, fifty-two".