25541002555 has 8 divisors (see below), whose sum is σ = 32452097472. Its totient is φ = 19230872448.

The previous prime is 25541002549. The next prime is 25541002559. The reversal of 25541002555 is 55520014552.

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

It is a cyclic number.

It is not a de Polignac number, because 25541002555 - 2³ = 25541002547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25541002555.

It is not an unprimeable number, because it can be changed into a prime (25541002559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150241107 + ... + 150241276.

It is an arithmetic number, because the mean of its divisors is an integer number (4056512184).

Almost surely, 2^25541002555 is an apocalyptic number.

25541002555 is a deficient number, since it is larger than the sum of its proper divisors (6911094917).

25541002555 is a wasteful number, since it uses less digits than its factorization.

25541002555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300482405.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 25541002555 in words is "twenty-five billion, five hundred forty-one million, two thousand, five hundred fifty-five".