25275275502553 has 4 divisors (see below), whose sum is σ = 25276862862288. Its totient is φ = 25273688142820.

The previous prime is 25275275502497. The next prime is 25275275502629. The reversal of 25275275502553 is 35520557257252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25275275502553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25275275502494 and 25275275502503.

It is not an unprimeable number, because it can be changed into a prime (25275275532553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793655983 + ... + 793687828.

It is an arithmetic number, because the mean of its divisors is an integer number (6319215715572).

Almost surely, 2^{25275275502553} is an apocalyptic number.

It is an amenable number.

25275275502553 is a deficient number, since it is larger than the sum of its proper divisors (1587359735).

25275275502553 is a wasteful number, since it uses less digits than its factorization.

25275275502553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587359734.

The product of its (nonzero) digits is 36750000, while the sum is 55.

The spelling of 25275275502553 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred seventy-five million, five hundred two thousand, five hundred fifty-three".