25555400363 has 8 divisors (see below), whose sum is σ = 25633561200. Its totient is φ = 25477296768.

The previous prime is 25555400347. The next prime is 25555400401. The reversal of 25555400363 is 36300455552.

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 25555400363 - 2⁴ = 25555400347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25555406363) 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, 985103 + ... + 1010711.

It is an arithmetic number, because the mean of its divisors is an integer number (3204195150).

Almost surely, 2^25555400363 is an apocalyptic number.

25555400363 is a deficient number, since it is larger than the sum of its proper divisors (78160837).

25555400363 is a wasteful number, since it uses less digits than its factorization.

25555400363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28621.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 25555400363 in words is "twenty-five billion, five hundred fifty-five million, four hundred thousand, three hundred sixty-three".