25530112555502 has 4 divisors (see below), whose sum is σ = 38295168833256. Its totient is φ = 12765056277750.

The previous prime is 25530112555483. The next prime is 25530112555573. The reversal of 25530112555502 is 20555521103552.

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

It is a super-2 number, since 2×25530112555502² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25530112555502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382528138874 + ... + 6382528138877.

It is an arithmetic number, because the mean of its divisors is an integer number (9573792208314).

Almost surely, 2^{25530112555502} is an apocalyptic number.

25530112555502 is a deficient number, since it is larger than the sum of its proper divisors (12765056277754).

25530112555502 is a wasteful number, since it uses less digits than its factorization.

25530112555502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765056277753.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 25530112555502 in words is "twenty-five trillion, five hundred thirty billion, one hundred twelve million, five hundred fifty-five thousand, five hundred two".