25252100555 has 8 divisors (see below), whose sum is σ = 33057295344. Its totient is φ = 18365164000.

The previous prime is 25252100551. The next prime is 25252100557. The reversal of 25252100555 is 55500125252.

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

It is not a de Polignac number, because 25252100555 - 2² = 25252100551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252100551) 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, 229564496 + ... + 229564605.

It is an arithmetic number, because the mean of its divisors is an integer number (4132161918).

Almost surely, 2^25252100555 is an apocalyptic number.

25252100555 is a deficient number, since it is larger than the sum of its proper divisors (7805194789).

25252100555 is a wasteful number, since it uses less digits than its factorization.

25252100555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459129117.

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 25252100555 in words is "twenty-five billion, two hundred fifty-two million, one hundred thousand, five hundred fifty-five".