25553452503122 has 4 divisors (see below), whose sum is σ = 38330178754686. Its totient is φ = 12776726251560.

The previous prime is 25553452503119. The next prime is 25553452503157. The reversal of 25553452503122 is 22130525435552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20940059712961 + 4613392790161 = 4576031^2 + 2147881^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388363125779 + ... + 6388363125782.

Almost surely, 2^{25553452503122} is an apocalyptic number.

25553452503122 is a deficient number, since it is larger than the sum of its proper divisors (12776726251564).

25553452503122 is a wasteful number, since it uses less digits than its factorization.

25553452503122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776726251563.

The product of its (nonzero) digits is 1800000, while the sum is 44.

Adding to 25553452503122 its reverse (22130525435552), we get a palindrome (47683977938674).

The spelling of 25553452503122 in words is "twenty-five trillion, five hundred fifty-three billion, four hundred fifty-two million, five hundred three thousand, one hundred twenty-two".