25575525555 has 8 divisors (see below), whose sum is σ = 40920840912. Its totient is φ = 13640280288.

The previous prime is 25575525539. The next prime is 25575525583. The reversal of 25575525555 is 55552557552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25575525555 - 2⁴ = 25575525539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25575525498 and 25575525507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852517504 + ... + 852517533.

It is an arithmetic number, because the mean of its divisors is an integer number (5115105114).

Almost surely, 2^25575525555 is an apocalyptic number.

25575525555 is a deficient number, since it is larger than the sum of its proper divisors (15345315357).

25575525555 is a wasteful number, since it uses less digits than its factorization.

25575525555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705035045.

The product of its digits is 10937500, while the sum is 51.

The spelling of 25575525555 in words is "twenty-five billion, five hundred seventy-five million, five hundred twenty-five thousand, five hundred fifty-five".