25502061056 has 20 divisors (see below), whose sum is σ = 50954314422. Its totient is φ = 12751030272.

The previous prime is 25502061037. The next prime is 25502061073. The reversal of 25502061056 is 65016020552.

It can be written as a sum of positive squares in only one way, i.e., 23421241600 + 2080819456 = 153040^2 + 45616^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24903845 + ... + 24904868.

Almost surely, 2^25502061056 is an apocalyptic number.

It is an amenable number.

25502061056 is a deficient number, since it is larger than the sum of its proper divisors (25452253366).

25502061056 is an frugal number, since it uses more digits than its factorization.

25502061056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49808731 (or 49808715 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 25502061056 in words is "twenty-five billion, five hundred two million, sixty-one thousand, fifty-six".